{
 "name": "toyotadata Troubleshooter",
 "source": "https://toyotadata.com/troubleshooter/",
 "usage": "Pick the vehicle, fetch its JSON, match the symptom by keywords/title, then run the checks in order.",
 "totalSymptoms": 170,
 "vehicles": [
  {
   "id": "4th-gen-tacoma",
   "vehicle": "4th Gen Tacoma",
   "platform": "tacoma",
   "years": "2024–present",
   "covers": "2024 and newer Tacoma with the 2.4L turbo i-FORCE (T24A-FTS) and the i-FORCE MAX hybrid, with the 8-speed automatic or the 6-speed manual. Platform is new, so checks lean on general practice and are labeled where they apply to only one powertrain.",
   "updated": "2026-10-15",
   "symptoms": 15,
   "page": "https://toyotadata.com/troubleshooter/4th-gen-tacoma/",
   "json": "https://toyotadata.com/api/troubleshooter/4th-gen-tacoma.json",
   "index": [
    {
     "id": "automatic-shift-stall-tsb",
     "title": "8-speed automatic shifting badly, flaring, shuddering or stalling",
     "system": "Transmission",
     "keywords": [
      "transmission",
      "8 speed",
      "shift problem",
      "stalling",
      "torque converter",
      "tsb",
      "harsh shift",
      "slipping",
      "limp mode",
      "2024 tacoma transmission"
     ]
    },
    {
     "id": "harsh-shift-hesitation",
     "title": "Hesitation or clunk when pulling away or shifting from Park to Drive",
     "system": "Transmission",
     "keywords": [
      "hesitation",
      "clunk",
      "delay",
      "lurch",
      "park to drive",
      "engagement",
      "slow to move",
      "turbo lag",
      "jerk",
      "stutter"
     ]
    },
    {
     "id": "hybrid-ready-light-warning",
     "title": "Hybrid truck won't go READY or shows a hybrid system warning",
     "system": "Hybrid System",
     "keywords": [
      "ready light",
      "hybrid warning",
      "check hybrid system",
      "i-force max",
      "hybrid battery",
      "won't ready",
      "high voltage",
      "inverter",
      "limp mode",
      "hybrid fault"
     ]
    },
    {
     "id": "no-crank-dead-12v",
     "title": "Push the button: nothing happens, dead dash or slow crank",
     "system": "Starting & Charging",
     "keywords": [
      "no crank",
      "dead battery",
      "won't start",
      "push button start",
      "no power",
      "click",
      "12v battery",
      "slow crank",
      "key fob",
      "jump start"
     ]
    },
    {
     "id": "turbo-power-loss",
     "title": "Loss of power, limp mode or boost warning on the turbo 2.4L",
     "system": "Engine",
     "keywords": [
      "loss of power",
      "limp mode",
      "turbo",
      "boost",
      "underboost",
      "p0299",
      "p0243",
      "wastegate",
      "intercooler",
      "reduced power"
     ]
    },
    {
     "id": "rough-idle-misfire",
     "title": "Rough idle, misfire or shaking at a stop",
     "system": "Fuel & Ignition",
     "keywords": [
      "rough idle",
      "misfire",
      "p0300",
      "p0301",
      "p0302",
      "p0303",
      "p0304",
      "shaking",
      "stumble",
      "check engine"
     ]
    },
    {
     "id": "overheating-coolant",
     "title": "Temperature warning, coolant loss or overheating",
     "system": "Cooling",
     "keywords": [
      "overheating",
      "coolant",
      "temp warning",
      "running hot",
      "coolant leak",
      "low coolant",
      "radiator",
      "fan",
      "water pump",
      "hybrid coolant"
     ]
    },
    {
     "id": "highway-vibration",
     "title": "Vibration or shake at highway speed",
     "system": "Steering & Suspension",
     "keywords": [
      "vibration",
      "shake",
      "shimmy",
      "wobble",
      "highway speed",
      "steering wheel shake",
      "tire balance",
      "driveshaft",
      "60 mph",
      "tire"
     ]
    },
    {
     "id": "suspension-clunk-steering",
     "title": "Clunk or rattle over bumps, loose steering feel",
     "system": "Steering & Suspension",
     "keywords": [
      "clunk",
      "rattle",
      "bumps",
      "suspension noise",
      "steering play",
      "sway bar link",
      "ball joint",
      "tie rod",
      "loose steering",
      "alignment"
     ]
    },
    {
     "id": "brake-feel-noise",
     "title": "Brake pedal feels odd, brakes squeal, grind or pulse",
     "system": "Brakes",
     "keywords": [
      "brakes",
      "squeal",
      "grinding",
      "pedal feel",
      "regen",
      "spongy",
      "pulsing",
      "brake noise",
      "pads",
      "rotors"
     ]
    },
    {
     "id": "4wd-transfer-case",
     "title": "4WD won't engage, 4WD light flashing, or driveline binding",
     "system": "Drivetrain",
     "keywords": [
      "4wd",
      "4x4",
      "transfer case",
      "4 low",
      "4wd light flashing",
      "locker",
      "multi terrain select",
      "binding",
      "won't engage",
      "crawl"
     ]
    },
    {
     "id": "driveline-diff-noise",
     "title": "Whine, hum or clunk from the rear end or driveline",
     "system": "Drivetrain",
     "keywords": [
      "rear end noise",
      "diff whine",
      "hum",
      "driveline clunk",
      "u-joint",
      "differential",
      "rear axle",
      "gear noise",
      "growl",
      "driveshaft"
     ]
    },
    {
     "id": "manual-clutch-shift",
     "title": "6-speed manual: clutch feel, grinding, hard to shift or rev-match oddities",
     "system": "Transmission",
     "keywords": [
      "manual",
      "clutch",
      "6 speed manual",
      "grinding",
      "hard to shift",
      "rev match",
      "imt",
      "clutch slipping",
      "stall",
      "stalling when starting"
     ]
    },
    {
     "id": "electrical-infotainment-sensors",
     "title": "Screen freezes, camera or driver assist warnings, random electrical faults",
     "system": "Body & Electrical",
     "keywords": [
      "infotainment",
      "screen freeze",
      "backup camera",
      "apple carplay",
      "android auto",
      "driver assist",
      "lane departure",
      "warning light",
      "software update",
      "reboot"
     ]
    },
    {
     "id": "poor-fuel-economy",
     "title": "Fuel economy lower than expected",
     "system": "Fuel & Ignition",
     "keywords": [
      "mpg",
      "fuel economy",
      "gas mileage",
      "poor mileage",
      "bad mpg",
      "hybrid mpg",
      "tires",
      "headwind",
      "worse mpg",
      "consumption"
     ]
    }
   ]
  },
  {
   "id": "3rd-gen-tacoma",
   "vehicle": "3rd Gen Tacoma",
   "platform": "tacoma",
   "years": "2016–2023",
   "covers": "2016 to 2023 Tacoma with the 2TR-FE 2.7L four and the 2GR-FKS 3.5L V6, with the 6-speed automatic or 6-speed manual. Engine-specific checks are labeled; everything else applies to both.",
   "updated": "2026-10-15",
   "symptoms": 16,
   "page": "https://toyotadata.com/troubleshooter/3rd-gen-tacoma/",
   "json": "https://toyotadata.com/api/troubleshooter/3rd-gen-tacoma.json",
   "index": [
    {
     "id": "shift-hunting",
     "title": "Automatic keeps hunting between gears or downshifts early on hills",
     "system": "Transmission",
     "keywords": [
      "shift hunting",
      "hunting",
      "gear hunting",
      "downshifts",
      "won't stay in gear",
      "busy shifting",
      "6 speed auto",
      "uphill",
      "cruise control",
      "transmission"
     ]
    },
    {
     "id": "harsh-shifts-shudder",
     "title": "Harsh, delayed or shuddering shifts, flare between gears",
     "system": "Transmission",
     "keywords": [
      "harsh shift",
      "hard shift",
      "clunk into gear",
      "shudder",
      "flare",
      "slipping",
      "delayed shift",
      "slow to engage",
      "torque converter",
      "tacoma transmission"
     ]
    },
    {
     "id": "overheating",
     "title": "Engine temperature climbing or overheating warning",
     "system": "Cooling",
     "keywords": [
      "overheating",
      "overheat",
      "temp gauge",
      "running hot",
      "coolant",
      "steam",
      "radiator",
      "water pump",
      "thermostat",
      "coolant loss"
     ]
    },
    {
     "id": "no-crank",
     "title": "Turn the key or press the button: click or nothing, engine won't crank",
     "system": "Starting & Charging",
     "keywords": [
      "no crank",
      "click",
      "won't start",
      "wont start",
      "dead battery",
      "starter",
      "push button",
      "no power",
      "slow crank",
      "clicking"
     ]
    },
    {
     "id": "crank-no-start",
     "title": "Engine cranks but won't start or dies right after starting",
     "system": "Fuel & Ignition",
     "keywords": [
      "crank no start",
      "cranks but won't start",
      "no start",
      "stalls",
      "dies",
      "fuel pump",
      "immobilizer",
      "hard start",
      "long crank",
      "fuel"
     ]
    },
    {
     "id": "rough-idle-misfire",
     "title": "Rough idle, shaking at a stop or misfire (P0300 to P0306)",
     "system": "Fuel & Ignition",
     "keywords": [
      "rough idle",
      "misfire",
      "p0300",
      "p0301",
      "p0302",
      "p0303",
      "p0304",
      "shaking",
      "stumble",
      "cold start rough",
      "carbon buildup"
     ]
    },
    {
     "id": "lean-code-p0171",
     "title": "Check engine light with lean codes (P0171, P0174)",
     "system": "Emissions",
     "keywords": [
      "p0171",
      "p0174",
      "lean",
      "system too lean",
      "check engine",
      "cel",
      "mil",
      "vacuum leak",
      "maf",
      "fuel trim"
     ]
    },
    {
     "id": "highway-vibration",
     "title": "Vibration or shake at highway speed",
     "system": "Steering & Suspension",
     "keywords": [
      "vibration",
      "shake",
      "shimmy",
      "wobble",
      "highway speed",
      "steering wheel shake",
      "tire balance",
      "driveshaft",
      "60 mph",
      "70 mph"
     ]
    },
    {
     "id": "steering-wander-death-wobble",
     "title": "Steering wanders, clunks over bumps or shakes after hitting a bump",
     "system": "Steering & Suspension",
     "keywords": [
      "death wobble",
      "steering wander",
      "clunk over bumps",
      "loose steering",
      "ball joint",
      "tie rod",
      "alignment",
      "steering play",
      "lifted tacoma",
      "upper control arm"
     ]
    },
    {
     "id": "brake-issues",
     "title": "Brakes squeal, grind, pulse or feel soft",
     "system": "Brakes",
     "keywords": [
      "brakes",
      "squeal",
      "grinding",
      "pulsing",
      "brake pedal",
      "soft pedal",
      "warped rotors",
      "brake noise",
      "pads",
      "rotors"
     ]
    },
    {
     "id": "4wd-not-engaging",
     "title": "4WD won't engage or the 4WD light flashes",
     "system": "Drivetrain",
     "keywords": [
      "4wd not engaging",
      "4x4 light flashing",
      "transfer case",
      "4 low",
      "4wd light",
      "actuator",
      "won't go into 4wd",
      "4hi",
      "4lo",
      "electric shift"
     ]
    },
    {
     "id": "rear-diff-leak-noise",
     "title": "Rear differential leak, whine or noise",
     "system": "Drivetrain",
     "keywords": [
      "rear diff leak",
      "differential noise",
      "whine",
      "gear oil leak",
      "recall",
      "rear end noise",
      "diff fluid",
      "howl",
      "rear axle",
      "seize"
     ]
    },
    {
     "id": "frame-underbody-rust",
     "title": "Rust on the frame, brake lines or underbody",
     "system": "Frame & Body",
     "keywords": [
      "frame rust",
      "rust",
      "corrosion",
      "brake line rust",
      "underbody",
      "skid plate",
      "rust prevention",
      "fluid film",
      "frame inspection",
      "rusty frame"
     ]
    },
    {
     "id": "loud-exhaust-cat-theft",
     "title": "Sudden loud exhaust, rattle or check engine after parking outside",
     "system": "Emissions",
     "keywords": [
      "loud exhaust",
      "catalytic converter stolen",
      "cat theft",
      "p0420",
      "p0430",
      "exhaust rattle",
      "roar",
      "sawed off",
      "catalyst efficiency",
      "exhaust leak"
     ]
    },
    {
     "id": "oil-leak-low-oil",
     "title": "Oil leak, burning smell or oil level dropping",
     "system": "Engine",
     "keywords": [
      "oil leak",
      "burning oil",
      "low oil",
      "oil smell",
      "valve cover leak",
      "oil consumption",
      "oil pan",
      "drip",
      "oil pressure",
      "smoke"
     ]
    },
    {
     "id": "electrical-battery-drain",
     "title": "Battery keeps dying, dash lights flicker or electronics act up",
     "system": "Body & Electrical",
     "keywords": [
      "battery drain",
      "parasitic drain",
      "dies overnight",
      "alternator",
      "dash lights",
      "infotainment",
      "electrical gremlin",
      "blown fuse",
      "flickering",
      "dash cam"
     ]
    }
   ]
  },
  {
   "id": "2nd-gen-tacoma",
   "vehicle": "2nd Gen Tacoma",
   "platform": "tacoma",
   "years": "2005–2015",
   "covers": "2005 to 2015 Tacoma with the 2TR-FE 2.7L four-cylinder and 1GR-FE 4.0L V6, 2WD, PreRunner and 4WD. Both engines use timing chains and a serpentine-belt-driven water pump.",
   "updated": "2026-10-15",
   "symptoms": 16,
   "page": "https://toyotadata.com/troubleshooter/2nd-gen-tacoma/",
   "json": "https://toyotadata.com/api/troubleshooter/2nd-gen-tacoma.json",
   "index": [
    {
     "id": "frame-rust",
     "title": "Frame rust: flaking, holes or a soft frame",
     "system": "Frame & Body",
     "keywords": [
      "frame rust",
      "rusted frame",
      "frame replacement",
      "frame hole",
      "rust perforation",
      "frame campaign",
      "e0d",
      "rotted frame",
      "2005 tacoma frame",
      "frame inspection"
     ]
    },
    {
     "id": "rear-leaf-spring",
     "title": "Rear sag, squeaks or a cracked rear leaf spring",
     "system": "Steering & Suspension",
     "keywords": [
      "leaf spring",
      "rear sag",
      "cracked leaf spring",
      "broken leaf",
      "rear squeak",
      "spring recall",
      "rear suspension",
      "leaf spring recall",
      "14v604",
      "squeaking over bumps"
     ]
    },
    {
     "id": "clunk-over-bumps",
     "title": "Clunk, knock or rattle going over bumps",
     "system": "Steering & Suspension",
     "keywords": [
      "clunk",
      "knock over bumps",
      "front end noise",
      "sway bar link",
      "ball joint",
      "control arm",
      "shock mount",
      "bushing",
      "rattle",
      "bump steer"
     ]
    },
    {
     "id": "steering-issues",
     "title": "Steering feels stiff, rattles or wanders",
     "system": "Steering & Suspension",
     "keywords": [
      "steering stiff",
      "steering rattle",
      "steering wander",
      "loose steering",
      "intermediate shaft",
      "u-joint steering",
      "tie rod end",
      "steering play",
      "power steering",
      "pulls"
     ]
    },
    {
     "id": "death-wobble-vibration",
     "title": "Shaking, shimmy or violent wobble at highway speed",
     "system": "Steering & Suspension",
     "keywords": [
      "death wobble",
      "shimmy",
      "steering wheel shake",
      "highway vibration",
      "tire balance",
      "wobble",
      "shake at 60",
      "front end shake",
      "bent wheel",
      "lifted tacoma"
     ]
    },
    {
     "id": "wheel-bearing-hum",
     "title": "Humming or rumbling from the front that changes with speed",
     "system": "Front Axle",
     "keywords": [
      "wheel bearing",
      "hum",
      "rumble",
      "growl",
      "noise when turning",
      "front bearing",
      "4x4 hub",
      "road noise",
      "bearing noise",
      "hub assembly"
     ]
    },
    {
     "id": "4wd-wont-engage",
     "title": "4WD won't engage, 4WD light flashing, or grinding in four-wheel drive",
     "system": "Front Axle",
     "keywords": [
      "4wd not working",
      "4x4 not engaging",
      "4wd light flashing",
      "transfer case",
      "front diff",
      "4 low",
      "a-trac",
      "front axle",
      "cv boot",
      "no 4wd"
     ]
    },
    {
     "id": "driveshaft-vibration",
     "title": "Vibration or jolt from the driveline under acceleration or when stopping",
     "system": "Drivetrain",
     "keywords": [
      "driveshaft vibration",
      "u-joint",
      "slip yoke",
      "jolt when stopping",
      "vibration under acceleration",
      "driveline clunk",
      "rear driveshaft",
      "shudder",
      "carrier bearing",
      "binding"
     ]
    },
    {
     "id": "diff-noise-leaks",
     "title": "Whine, howl or leak from the rear or front differential",
     "system": "Drivetrain",
     "keywords": [
      "differential noise",
      "rear diff whine",
      "pinion seal leak",
      "axle seal leak",
      "gear oil",
      "diff leak",
      "howl",
      "regear",
      "front diff noise",
      "rear end noise"
     ]
    },
    {
     "id": "overheating",
     "title": "Engine overheating or temperature gauge climbing",
     "system": "Cooling",
     "keywords": [
      "overheating",
      "running hot",
      "temp gauge",
      "coolant loss",
      "water pump leak",
      "radiator",
      "thermostat",
      "fan",
      "heater no heat",
      "coolant smell"
     ]
    },
    {
     "id": "oil-leak-timing-cover",
     "title": "Oil leak at the front of the V6 or from the timing cover area",
     "system": "Engine",
     "keywords": [
      "timing cover leak",
      "oil leak front of engine",
      "1gr-fe oil leak",
      "timing cover seal",
      "fipg",
      "oil leak v6 tacoma",
      "valve cover leak",
      "oil on belt",
      "oil drip",
      "burning oil smell"
     ]
    },
    {
     "id": "no-crank-no-start",
     "title": "Won't crank, clicks, or cranks but won't start",
     "system": "Starting & Charging",
     "keywords": [
      "no crank",
      "click",
      "won't start",
      "wont start",
      "crank no start",
      "dead battery",
      "starter",
      "fuel pump",
      "immobilizer",
      "clutch switch"
     ]
    },
    {
     "id": "rough-idle-lean-codes",
     "title": "Rough idle, misfire or lean codes (P0171, P0174, P0300)",
     "system": "Fuel & Ignition",
     "keywords": [
      "rough idle",
      "misfire",
      "p0300",
      "p0171",
      "p0174",
      "lean",
      "stalling",
      "hesitation",
      "check engine light",
      "vacuum leak"
     ]
    },
    {
     "id": "emissions-codes",
     "title": "Check engine: catalyst (P0420), air/fuel sensor, or secondary air codes",
     "system": "Emissions",
     "keywords": [
      "p0420",
      "p0430",
      "p0135",
      "p2440",
      "p2442",
      "air fuel sensor",
      "a/f sensor",
      "secondary air injection",
      "air pump",
      "emissions",
      "catalytic converter"
     ]
    },
    {
     "id": "brakes",
     "title": "Brake problems: soft pedal, pulsation, pulling or grinding",
     "system": "Brakes",
     "keywords": [
      "brakes",
      "soft pedal",
      "grinding",
      "pulsation",
      "warped rotor",
      "pulling to one side",
      "abs light",
      "vsc light",
      "brake fluid",
      "caliper stuck"
     ]
    },
    {
     "id": "transmission-clutch",
     "title": "Automatic shifts hard or slips, or manual clutch is hard or slipping",
     "system": "Transmission",
     "keywords": [
      "transmission slipping",
      "hard shift",
      "shift hunting",
      "no lockup",
      "clutch slipping",
      "clutch pedal",
      "master cylinder",
      "slave cylinder",
      "transmission fluid",
      "torque converter"
     ]
    }
   ]
  },
  {
   "id": "1st-gen-tacoma",
   "vehicle": "1st Gen Tacoma",
   "platform": "tacoma",
   "years": "1995.5–2004",
   "covers": "1995.5 to 2004 Tacoma with the 2RZ-FE 2.4L, 3RZ-FE 2.7L and 5VZ-FE 3.4L V6, 2WD, PreRunner and 4WD. Code-based checks assume OBD-II (1996 and newer); earlier trucks may use a different diagnostic setup.",
   "updated": "2026-10-15",
   "symptoms": 16,
   "page": "https://toyotadata.com/troubleshooter/1st-gen-tacoma/",
   "json": "https://toyotadata.com/api/troubleshooter/1st-gen-tacoma.json",
   "index": [
    {
     "id": "frame-rust",
     "title": "Frame rust: flaking, holes or a soft frame",
     "system": "Frame & Body",
     "keywords": [
      "frame rust",
      "rusted frame",
      "rotted frame",
      "frame hole",
      "frame buyback",
      "frame replacement",
      "rust",
      "frame inspection",
      "tacoma frame"
     ]
    },
    {
     "id": "lower-ball-joint",
     "title": "Loose front end, steering wander or clunk from the lower ball joint (4WD/PreRunner)",
     "system": "Steering & Suspension",
     "keywords": [
      "ball joint",
      "lower ball joint",
      "loose steering",
      "steering wander",
      "front end clunk",
      "ball joint recall",
      "play in wheel",
      "front suspension noise",
      "tacoma ball joint"
     ]
    },
    {
     "id": "clunk-over-bumps",
     "title": "Clunk, knock or rattle going over bumps",
     "system": "Steering & Suspension",
     "keywords": [
      "clunk",
      "knock over bumps",
      "rattle",
      "front end noise",
      "rear end noise",
      "sway bar link",
      "shock",
      "bushing",
      "leaf spring noise",
      "squeak"
     ]
    },
    {
     "id": "steering-wander",
     "title": "Steering feels loose or the truck wanders on the highway",
     "system": "Steering & Suspension",
     "keywords": [
      "steering wander",
      "loose steering",
      "steering play",
      "dead spot",
      "tie rod",
      "idler arm",
      "steering box",
      "alignment",
      "pulls",
      "shimmy"
     ]
    },
    {
     "id": "vibration-at-speed",
     "title": "Vibration at highway speed or under acceleration",
     "system": "Drivetrain",
     "keywords": [
      "vibration",
      "driveshaft vibration",
      "u-joint",
      "shake",
      "highway shake",
      "tire balance",
      "wheel balance",
      "driveline",
      "vibrates under load",
      "shudder"
     ]
    },
    {
     "id": "4wd-wont-engage",
     "title": "4WD won't engage or front axle doesn't seem to drive",
     "system": "Front Axle",
     "keywords": [
      "4wd not working",
      "4x4 won't engage",
      "four wheel drive",
      "front axle",
      "transfer case",
      "4 low",
      "front diff",
      "disconnect",
      "no 4wd",
      "grinding in 4wd"
     ]
    },
    {
     "id": "diff-noise",
     "title": "Whine, howl or clunk from the front or rear differential",
     "system": "Drivetrain",
     "keywords": [
      "differential noise",
      "diff whine",
      "rear end noise",
      "howl",
      "pinion seal",
      "diff leak",
      "gear oil",
      "axle noise",
      "rear diff",
      "regear"
     ]
    },
    {
     "id": "overheating",
     "title": "Engine overheating or temperature gauge climbing",
     "system": "Cooling",
     "keywords": [
      "overheating",
      "running hot",
      "temp gauge",
      "coolant loss",
      "water pump",
      "radiator",
      "thermostat",
      "fan clutch",
      "heater no heat",
      "coolant leak"
     ]
    },
    {
     "id": "timing-belt-5vz",
     "title": "5VZ-FE V6: timing belt due, ticking, or worried about the water pump",
     "system": "Engine",
     "keywords": [
      "timing belt",
      "5vz-fe",
      "5vz timing belt",
      "water pump",
      "belt service",
      "timing belt interval",
      "belt replacement",
      "v6 tacoma",
      "3.4 v6",
      "ticking"
     ]
    },
    {
     "id": "no-crank",
     "title": "Turn the key: click or nothing, engine won't crank",
     "system": "Starting & Charging",
     "keywords": [
      "no crank",
      "won't start",
      "wont start",
      "click",
      "dead battery",
      "starter",
      "solenoid",
      "clutch switch",
      "neutral safety",
      "dead"
     ]
    },
    {
     "id": "crank-no-start",
     "title": "Cranks fine but won't start or dies after starting",
     "system": "Fuel & Ignition",
     "keywords": [
      "crank no start",
      "cranks but won't start",
      "no spark",
      "no fuel",
      "fuel pump",
      "igniter",
      "distributor",
      "coil",
      "stalls",
      "dies"
     ]
    },
    {
     "id": "rough-idle-misfire",
     "title": "Rough idle, misfire or lean codes (P0171, P0174, P0300)",
     "system": "Fuel & Ignition",
     "keywords": [
      "rough idle",
      "misfire",
      "p0300",
      "p0171",
      "p0174",
      "lean",
      "stalling",
      "hesitation",
      "idle surge",
      "vacuum leak"
     ]
    },
    {
     "id": "check-engine-p0420",
     "title": "Check engine light: catalyst efficiency (P0420, P0430) or O2/A/F sensor codes",
     "system": "Emissions",
     "keywords": [
      "p0420",
      "p0430",
      "catalytic converter",
      "o2 sensor",
      "oxygen sensor",
      "check engine",
      "cel",
      "emissions test",
      "smog",
      "p0135"
     ]
    },
    {
     "id": "oil-leak",
     "title": "Oil leak or oil smell, drips under the engine",
     "system": "Engine",
     "keywords": [
      "oil leak",
      "valve cover gasket",
      "distributor o-ring",
      "oil pan",
      "rear main seal",
      "burning oil smell",
      "oil drip",
      "leaking oil",
      "oil pressure",
      "crank seal"
     ]
    },
    {
     "id": "transmission-shift",
     "title": "Automatic slips, shifts hard or flares, or manual clutch is hard or slipping",
     "system": "Transmission",
     "keywords": [
      "transmission slipping",
      "hard shift",
      "shift flare",
      "no lockup",
      "clutch slipping",
      "clutch pedal",
      "slave cylinder",
      "master cylinder",
      "transmission fluid",
      "torque converter"
     ]
    },
    {
     "id": "brakes",
     "title": "Brake problems: soft pedal, pulling, grinding or ABS light",
     "system": "Brakes",
     "keywords": [
      "brakes",
      "soft pedal",
      "spongy brakes",
      "grinding",
      "pulling to one side",
      "abs light",
      "brake fluid leak",
      "caliper stuck",
      "rear drum",
      "brake line"
     ]
    }
   ]
  },
  {
   "id": "6th-gen-4runner",
   "vehicle": "6th Gen 4Runner",
   "platform": "4runner",
   "years": "2025–present",
   "covers": "6th generation 4Runner, 2025 and newer, with the 2.4L turbocharged i-FORCE and the i-FORCE MAX hybrid, both with the 8-speed automatic. This is a new platform with little long-term history, so most entries are general symptoms; when the truck is under warranty, the dealer is the right first stop.",
   "updated": "2026-10-15",
   "symptoms": 14,
   "page": "https://toyotadata.com/troubleshooter/6th-gen-4runner/",
   "json": "https://toyotadata.com/api/troubleshooter/6th-gen-4runner.json",
   "index": [
    {
     "id": "warranty-first-step",
     "title": "Something is wrong on a new 4Runner: warranty, recalls and where to start",
     "system": "Body & Electrical",
     "keywords": [
      "warranty",
      "recall",
      "new 4runner problem",
      "tsb",
      "dealer",
      "2025 4runner",
      "2026 4runner",
      "lemon",
      "software update",
      "open recall"
     ]
    },
    {
     "id": "dash-blank-warnings",
     "title": "Digital gauge cluster blank, missing speedometer, or warning lights not showing at startup",
     "system": "Body & Electrical",
     "keywords": [
      "blank dash",
      "instrument panel",
      "digital cluster",
      "no speedometer",
      "cluster blank",
      "gauge cluster",
      "warning lights missing",
      "tpms light",
      "brake warning",
      "screen black"
     ]
    },
    {
     "id": "transmission-clunk-first-second",
     "title": "Clunk or abrupt shift, especially 1st to 2nd, or hesitation pulling away",
     "system": "Transmission",
     "keywords": [
      "transmission clunk",
      "harsh shift",
      "1-2 shift",
      "jerky",
      "hesitation",
      "8 speed",
      "shift shock",
      "hard shift",
      "lurch",
      "abrupt shifting"
     ]
    },
    {
     "id": "front-brake-squeal",
     "title": "Front brakes squealing or chirping on a new truck",
     "system": "Brakes",
     "keywords": [
      "brake squeal",
      "squeaky brakes",
      "brake noise",
      "front brakes",
      "brake chirp",
      "grinding brakes",
      "pulsing pedal",
      "new truck brake noise",
      "brake dust",
      "pad noise"
     ]
    },
    {
     "id": "hybrid-wont-ready",
     "title": "Hybrid won't go to READY, or dead 12 V battery in the i-FORCE MAX",
     "system": "Hybrid System",
     "keywords": [
      "won't start",
      "no ready",
      "ready light",
      "i-force max",
      "hybrid dead",
      "12v battery",
      "aux battery",
      "jump start",
      "dead truck",
      "hybrid warning"
     ]
    },
    {
     "id": "no-start-turbo",
     "title": "Won't start or crank on the 2.4L turbo (non-hybrid)",
     "system": "Starting & Charging",
     "keywords": [
      "no crank",
      "won't start",
      "click",
      "dead battery",
      "crank no start",
      "starter",
      "turbo 4runner won't start",
      "start button",
      "fob battery",
      "no start"
     ]
    },
    {
     "id": "check-engine-light",
     "title": "Check engine light on, with or without a code",
     "system": "Engine",
     "keywords": [
      "check engine light",
      "cel",
      "p0299",
      "underboost",
      "p0171",
      "misfire",
      "p0300",
      "turbo code",
      "mil",
      "engine warning"
     ]
    },
    {
     "id": "rough-idle-stall",
     "title": "Rough idle, stumbling, hesitation, or stalling",
     "system": "Fuel & Ignition",
     "keywords": [
      "rough idle",
      "stalling",
      "hesitation",
      "stumble",
      "shake at idle",
      "stall at stop",
      "misfire",
      "turbo lag",
      "power loss",
      "engine shudder"
     ]
    },
    {
     "id": "overheating-coolant",
     "title": "Temperature warning, coolant loss, or coolant smell",
     "system": "Cooling",
     "keywords": [
      "overheating",
      "coolant leak",
      "coolant low",
      "temp warning",
      "running hot",
      "steam",
      "coolant smell",
      "hybrid cooling",
      "reservoir",
      "temperature gauge"
     ]
    },
    {
     "id": "highway-vibration-steering",
     "title": "Vibration, steering wheel shake, or pull at highway speed",
     "system": "Steering & Suspension",
     "keywords": [
      "vibration",
      "steering wheel shake",
      "highway shake",
      "pulls to one side",
      "alignment",
      "tire balance",
      "wobble",
      "wander",
      "tire noise",
      "shimmy"
     ]
    },
    {
     "id": "four-wheel-drive-modes",
     "title": "4WD or drive mode won't engage, warning light, or odd noise on turns",
     "system": "Drivetrain",
     "keywords": [
      "4wd not working",
      "4wd light",
      "4 low",
      "drive mode",
      "transfer case",
      "locking differential",
      "binding turns",
      "traction control light",
      "multi-terrain select",
      "crawl control"
     ]
    },
    {
     "id": "ac-infotainment-electrical",
     "title": "A/C not cold, infotainment glitches, or random electrical warnings",
     "system": "Body & Electrical",
     "keywords": [
      "ac not cold",
      "infotainment",
      "carplay",
      "android auto",
      "screen freezes",
      "bluetooth",
      "camera not working",
      "electrical",
      "software update",
      "reboot"
     ]
    },
    {
     "id": "fluid-leak",
     "title": "Fluid leak or drip under the truck",
     "system": "Engine",
     "keywords": [
      "oil leak",
      "fluid leak",
      "drip",
      "puddle",
      "leak under truck",
      "oil spot",
      "coolant puddle",
      "gear oil leak",
      "red fluid",
      "wet underneath"
     ]
    },
    {
     "id": "poor-fuel-economy-power-loss",
     "title": "Poor fuel economy or loss of power, limp mode",
     "system": "Engine",
     "keywords": [
      "bad mpg",
      "fuel economy",
      "power loss",
      "limp mode",
      "reduced power",
      "turbo boost",
      "sluggish",
      "low mpg",
      "hybrid mpg",
      "acceleration"
     ]
    }
   ]
  },
  {
   "id": "5th-gen-4runner",
   "vehicle": "5th Gen 4Runner",
   "platform": "4runner",
   "years": "2010–2024",
   "covers": "5th generation 4Runner, 2010 to 2024, with the 1GR-FE 4.0L V6 and the 5-speed automatic. Assumes the stock configuration; trim-specific items (KDSS, sunroof, A/C) are noted where they apply.",
   "updated": "2026-10-15",
   "symptoms": 16,
   "page": "https://toyotadata.com/troubleshooter/5th-gen-4runner/",
   "json": "https://toyotadata.com/api/troubleshooter/5th-gen-4runner.json",
   "index": [
    {
     "id": "frame-rust",
     "title": "Rust on the frame, flaking, or holes in the frame rails",
     "system": "Frame & Body",
     "keywords": [
      "frame rust",
      "rusty frame",
      "frame corrosion",
      "rust holes",
      "frame inspection",
      "rear crossmember",
      "rusted frame",
      "rust flakes",
      "undercoating"
     ]
    },
    {
     "id": "kdss-problems",
     "title": "KDSS warning, fluid leak, or clunking and uneven ride on a KDSS truck",
     "system": "Steering & Suspension",
     "keywords": [
      "kdss",
      "kdss leak",
      "kdss fluid",
      "kdss accumulator",
      "kinetic dynamic suspension",
      "sway bar",
      "front suspension clunk",
      "kdss light",
      "hydraulic leak",
      "kdss delete"
     ]
    },
    {
     "id": "timing-cover-oil-leak",
     "title": "Oil leak or oil smell from the front of the engine",
     "system": "Engine",
     "keywords": [
      "oil leak",
      "timing cover leak",
      "front of engine leak",
      "oil smell",
      "valve cover leak",
      "1gr oil leak",
      "burning oil smell",
      "oil drip",
      "oil on driveway"
     ]
    },
    {
     "id": "rough-idle-misfire",
     "title": "Rough idle, shaking, or misfire with a flashing check engine light",
     "system": "Fuel & Ignition",
     "keywords": [
      "rough idle",
      "misfire",
      "p0300",
      "p0301",
      "p0302",
      "p0303",
      "p0304",
      "p0305",
      "p0306",
      "shaking",
      "stumble",
      "flashing check engine"
     ]
    },
    {
     "id": "lean-codes-p0171-p0174",
     "title": "Check engine light with P0171 or P0174, system too lean",
     "system": "Fuel & Ignition",
     "keywords": [
      "p0171",
      "p0174",
      "system too lean",
      "lean code",
      "bank 1 lean",
      "bank 2 lean",
      "maf sensor",
      "vacuum leak",
      "check engine light",
      "poor mpg"
     ]
    },
    {
     "id": "catalyst-efficiency-p0420-p0430",
     "title": "Check engine light with P0420 or P0430, catalyst efficiency",
     "system": "Emissions",
     "keywords": [
      "p0420",
      "p0430",
      "catalyst efficiency",
      "catalytic converter",
      "cat code",
      "o2 sensor",
      "emissions failure",
      "exhaust leak",
      "check engine light",
      "downstream sensor"
     ]
    },
    {
     "id": "overheating",
     "title": "Temperature gauge climbing, coolant loss, or overheating",
     "system": "Cooling",
     "keywords": [
      "overheating",
      "running hot",
      "temp gauge high",
      "coolant leak",
      "water pump",
      "thermostat",
      "radiator",
      "steam",
      "coolant smell",
      "low coolant"
     ]
    },
    {
     "id": "no-crank",
     "title": "Turn the key: click or nothing, engine won't crank",
     "system": "Starting & Charging",
     "keywords": [
      "no crank",
      "click",
      "won't start",
      "wont start",
      "starter",
      "dead battery",
      "clicking",
      "starter corrosion",
      "intermittent start",
      "start button"
     ]
    },
    {
     "id": "crank-no-start",
     "title": "Engine cranks but won't start",
     "system": "Fuel & Ignition",
     "keywords": [
      "crank no start",
      "cranks but won't start",
      "no start",
      "wont start",
      "fuel pump",
      "no fuel",
      "no spark",
      "immobilizer",
      "fuel pump relay",
      "long crank"
     ]
    },
    {
     "id": "steering-clunk-vibration",
     "title": "Clunk or knock in the steering, loose feel, or shimmy at speed",
     "system": "Steering & Suspension",
     "keywords": [
      "steering clunk",
      "knock in steering",
      "shimmy",
      "death wobble",
      "steering wheel shake",
      "loose steering",
      "intermediate shaft",
      "ball joint",
      "tie rod",
      "wander"
     ]
    },
    {
     "id": "brake-noise-pulsation",
     "title": "Squealing, grinding, or pulsing pedal when braking",
     "system": "Brakes",
     "keywords": [
      "brake squeal",
      "brake noise",
      "grinding brakes",
      "pulsing pedal",
      "warped rotors",
      "brake shudder",
      "pads worn",
      "brake vibration",
      "soft pedal",
      "brake light"
     ]
    },
    {
     "id": "transmission-shift-shudder",
     "title": "Harsh shifts, shudder at steady speed, or hunting between gears",
     "system": "Transmission",
     "keywords": [
      "transmission shudder",
      "harsh shift",
      "hunting",
      "torque converter",
      "slipping",
      "shift flare",
      "p0741",
      "transmission fluid",
      "5 speed",
      "gear hunting"
     ]
    },
    {
     "id": "four-wheel-drive-wont-engage",
     "title": "4WD won't engage, indicator flashes, or binding in 4WD",
     "system": "Drivetrain",
     "keywords": [
      "4wd not working",
      "4wd light flashing",
      "4 low",
      "4 high",
      "transfer case",
      "4wd indicator",
      "won't shift into 4wd",
      "binding",
      "stuck in 2wd",
      "4wd actuator"
     ]
    },
    {
     "id": "diff-whine-leak",
     "title": "Whine or howl from the rear or front differential, or gear oil leak",
     "system": "Drivetrain",
     "keywords": [
      "rear diff whine",
      "differential noise",
      "gear whine",
      "howl",
      "diff leak",
      "pinion seal",
      "gear oil",
      "axle noise",
      "rear end noise",
      "diff fluid"
     ]
    },
    {
     "id": "ac-not-cold",
     "title": "A/C blowing warm or not cold enough",
     "system": "Body & Electrical",
     "keywords": [
      "ac not cold",
      "a/c warm",
      "air conditioning",
      "compressor",
      "ac compressor",
      "no cold air",
      "blower",
      "refrigerant",
      "ac clutch",
      "weak ac"
     ]
    },
    {
     "id": "water-leaks-electrical-quirks",
     "title": "Water in the cabin, door locks not working, or rear window stuck",
     "system": "Body & Electrical",
     "keywords": [
      "sunroof drain",
      "water leak",
      "wet carpet",
      "door lock actuator",
      "power window",
      "rear hatch window",
      "stuck window",
      "locks not working",
      "musty smell",
      "headliner wet"
     ]
    }
   ]
  },
  {
   "id": "4th-gen-4runner",
   "vehicle": "4th Gen 4Runner",
   "platform": "4runner",
   "years": "2003–2009",
   "covers": "2003 to 2009 4Runner with the 4.0L 1GR-FE V6 and the 4.7L 2UZ-FE V8, 2WD and 4WD. Engine specific items are labeled, and some issues apply mainly to early model years.",
   "updated": "2026-10-15",
   "symptoms": 16,
   "page": "https://toyotadata.com/troubleshooter/4th-gen-4runner/",
   "json": "https://toyotadata.com/api/troubleshooter/4th-gen-4runner.json",
   "index": [
    {
     "id": "head-gasket-1gr",
     "title": "V6 losing coolant, cold start misfire or overheating (early 4.0L)",
     "system": "Engine",
     "keywords": [
      "head gasket",
      "1gr-fe",
      "coolant loss",
      "misfire cold start",
      "cylinder 6",
      "p0306",
      "white smoke",
      "bubbles in coolant",
      "gurgling dash",
      "overheating"
     ]
    },
    {
     "id": "frame-rust",
     "title": "Frame rust or rusted suspension mounts",
     "system": "Frame & Body",
     "keywords": [
      "frame rust",
      "rusty frame",
      "rotted frame",
      "control arm mount",
      "spare tire carrier",
      "rust holes",
      "frame inspection",
      "rust perforation",
      "salt rust",
      "undercoating"
     ]
    },
    {
     "id": "front-end-clunk",
     "title": "Clunk, knock or wandering from the front suspension",
     "system": "Steering & Suspension",
     "keywords": [
      "clunk",
      "knock over bumps",
      "ball joint",
      "control arm",
      "steering wander",
      "x-reas",
      "sway bar link",
      "creaking",
      "front end noise",
      "play in wheel"
     ]
    },
    {
     "id": "sticky-cracked-dash",
     "title": "Sticky, melting or cracked dashboard",
     "system": "Body & Electrical",
     "keywords": [
      "sticky dash",
      "melting dashboard",
      "cracked dash",
      "dash cover",
      "sticky dashboard",
      "dash replacement",
      "glare",
      "warranty enhancement",
      "dashboard damage",
      "shiny dash"
     ]
    },
    {
     "id": "timing-belt-2uz",
     "title": "V8 timing belt service: when is it due?",
     "system": "Engine",
     "keywords": [
      "2uz-fe",
      "timing belt",
      "v8 timing belt",
      "belt interval",
      "water pump",
      "90000 miles",
      "belt replacement",
      "timing belt due",
      "tensioner"
     ]
    },
    {
     "id": "exhaust-manifold-tick",
     "title": "Ticking or diesel-like noise on cold start",
     "system": "Engine",
     "keywords": [
      "ticking",
      "tick on cold start",
      "exhaust manifold crack",
      "manifold leak",
      "exhaust leak",
      "diesel sound",
      "cold start noise",
      "2uz-fe",
      "manifold gasket",
      "loose heat shield"
     ]
    },
    {
     "id": "overheating",
     "title": "Engine overheating or temperature gauge climbing",
     "system": "Cooling",
     "keywords": [
      "overheating",
      "overheat",
      "temp gauge high",
      "coolant loss",
      "radiator",
      "thermostat",
      "water pump",
      "fan clutch",
      "steam",
      "heater blows cold"
     ]
    },
    {
     "id": "milky-transmission-fluid",
     "title": "Pink or milky transmission fluid, coolant in the transmission",
     "system": "Transmission",
     "keywords": [
      "milky transmission fluid",
      "pink fluid",
      "strawberry milkshake",
      "coolant in transmission",
      "transmission cooler",
      "radiator cooler leak",
      "atf contaminated",
      "slipping",
      "transmission fluid"
     ]
    },
    {
     "id": "no-crank",
     "title": "Turn the key: click or nothing, engine won't crank",
     "system": "Starting & Charging",
     "keywords": [
      "no crank",
      "click",
      "won't start",
      "wont start",
      "starter",
      "dead battery",
      "neutral safety switch",
      "push button",
      "key won't turn",
      "clicking noise"
     ]
    },
    {
     "id": "secondary-air-limp",
     "title": "Check engine light with secondary air code, or truck in limp mode",
     "system": "Emissions",
     "keywords": [
      "secondary air injection",
      "air pump",
      "p0410",
      "limp mode",
      "check engine",
      "air injection pump",
      "air switching valve",
      "air pump failed",
      "emissions",
      "reduced power"
     ]
    },
    {
     "id": "check-engine-codes",
     "title": "Check engine light with a lean, misfire or catalyst code",
     "system": "Fuel & Ignition",
     "keywords": [
      "check engine light",
      "cel",
      "p0171",
      "p0174",
      "p0300",
      "p0420",
      "p0430",
      "lean code",
      "misfire",
      "catalytic converter"
     ]
    },
    {
     "id": "rough-idle-misfire",
     "title": "Rough idle, misfire or hesitation",
     "system": "Fuel & Ignition",
     "keywords": [
      "rough idle",
      "misfire",
      "hesitation",
      "stumble",
      "shaking at idle",
      "p0300",
      "coil pack",
      "spark plug",
      "stalling",
      "poor acceleration"
     ]
    },
    {
     "id": "brake-issues",
     "title": "Brakes pull, grind, pulsate, or ABS and brake warning lights on",
     "system": "Brakes",
     "keywords": [
      "brakes pull",
      "brake pulsation",
      "grinding",
      "sticking caliper",
      "abs light",
      "brake light on",
      "vsc light",
      "trac light",
      "hard pedal",
      "pump noise"
     ]
    },
    {
     "id": "4wd-wont-engage",
     "title": "4WD won't engage, front axle stuck or binding",
     "system": "Drivetrain",
     "keywords": [
      "4wd not working",
      "4wd won't engage",
      "four wheel drive",
      "4wd light flashing",
      "4wd actuator",
      "transfer case",
      "4 low",
      "front axle",
      "center diff",
      "4wd switch"
     ]
    },
    {
     "id": "driveline-clunk",
     "title": "Driveshaft clunk, vibration or wheel bearing noise",
     "system": "Drivetrain",
     "keywords": [
      "driveshaft clunk",
      "u-joint",
      "vibration under load",
      "wheel bearing",
      "growl",
      "diff noise",
      "pinion seal",
      "cv axle",
      "clunk when shifting",
      "rumble"
     ]
    },
    {
     "id": "ac-blend-door",
     "title": "Clicking behind the dash, A/C or heater not changing temperature",
     "system": "Body & Electrical",
     "keywords": [
      "clicking behind dash",
      "blend door actuator",
      "ac not cold",
      "heater not working",
      "temperature won't change",
      "hvac",
      "air conditioning",
      "ac compressor",
      "blower motor",
      "vent switching"
     ]
    }
   ]
  },
  {
   "id": "3rd-gen-4runner",
   "vehicle": "3rd Gen 4Runner",
   "platform": "4runner",
   "years": "1996–2002",
   "covers": "1996 to 2002 4Runner with the 2.7L 3RZ-FE four-cylinder and the 3.4L 5VZ-FE V6, 2WD and 4WD, manual and automatic. Where a check only applies to one engine it says so.",
   "updated": "2026-10-15",
   "symptoms": 16,
   "page": "https://toyotadata.com/troubleshooter/3rd-gen-4runner/",
   "json": "https://toyotadata.com/api/troubleshooter/3rd-gen-4runner.json",
   "index": [
    {
     "id": "front-end-clunk",
     "title": "Clunk, knock or loose feel in the front end over bumps",
     "system": "Steering & Suspension",
     "keywords": [
      "clunk",
      "knock",
      "front end noise",
      "ball joint",
      "lower ball joint",
      "loose steering",
      "wanders",
      "creak",
      "popping over bumps",
      "play in front wheel"
     ]
    },
    {
     "id": "vibration-wander",
     "title": "Shimmy, vibration or steering wander at highway speed",
     "system": "Steering & Suspension",
     "keywords": [
      "vibration",
      "shimmy",
      "steering wobble",
      "wanders",
      "steering wheel shake",
      "tire balance",
      "tie rod",
      "wheel bearing",
      "alignment",
      "pulls"
     ]
    },
    {
     "id": "frame-and-body-rust",
     "title": "Frame rust, rotten rocker panels or rusty underbody",
     "system": "Frame & Body",
     "keywords": [
      "frame rust",
      "rust",
      "rotted frame",
      "rocker panel",
      "rust holes",
      "pinch weld",
      "rear wheel arch",
      "spare tire carrier",
      "underbody",
      "sunroof drain"
     ]
    },
    {
     "id": "overheating",
     "title": "Engine overheating or temperature gauge climbing",
     "system": "Cooling",
     "keywords": [
      "overheating",
      "overheat",
      "temp gauge high",
      "coolant loss",
      "radiator",
      "thermostat",
      "water pump",
      "fan clutch",
      "steam",
      "boiling over"
     ]
    },
    {
     "id": "milky-transmission-fluid",
     "title": "Pink or milky transmission fluid, or coolant in the transmission",
     "system": "Transmission",
     "keywords": [
      "milky transmission fluid",
      "pink fluid",
      "strawberry milkshake",
      "coolant in transmission",
      "radiator cooler leak",
      "transmission cooler",
      "atf contaminated",
      "slipping"
     ]
    },
    {
     "id": "timing-belt-5vz",
     "title": "5VZ-FE timing belt service: when is it due and how do I tell?",
     "system": "Engine",
     "keywords": [
      "timing belt",
      "5vz-fe",
      "water pump",
      "belt interval",
      "ticking",
      "slapping",
      "belt noise",
      "90000 miles",
      "tensioner",
      "timing belt replacement"
     ]
    },
    {
     "id": "no-crank",
     "title": "Turn the key: click or nothing, engine won't crank",
     "system": "Starting & Charging",
     "keywords": [
      "no crank",
      "click",
      "won't start",
      "wont start",
      "starter",
      "dead battery",
      "solenoid",
      "neutral safety switch",
      "clicking noise"
     ]
    },
    {
     "id": "crank-no-start",
     "title": "Engine cranks but won't start",
     "system": "Fuel & Ignition",
     "keywords": [
      "cranks but won't start",
      "crank no start",
      "no spark",
      "no fuel",
      "fuel pump",
      "distributor",
      "igniter",
      "crank sensor",
      "circuit opening relay",
      "wont start"
     ]
    },
    {
     "id": "rough-idle-surge",
     "title": "Rough idle, surging, stalling or hesitation",
     "system": "Fuel & Ignition",
     "keywords": [
      "rough idle",
      "surging",
      "stalling",
      "hesitation",
      "misfire",
      "p0300",
      "idle air control",
      "p0505",
      "p0506",
      "p0507",
      "vacuum leak"
     ]
    },
    {
     "id": "check-engine-codes",
     "title": "Check engine light with a common code",
     "system": "Emissions",
     "keywords": [
      "check engine light",
      "cel",
      "p0401",
      "p0325",
      "p0330",
      "p0420",
      "p0505",
      "knock sensor",
      "egr",
      "catalytic converter",
      "p0171"
     ]
    },
    {
     "id": "4wd-wont-engage",
     "title": "4WD won't engage or front axle seems stuck",
     "system": "Drivetrain",
     "keywords": [
      "4wd not working",
      "4wd won't engage",
      "four wheel drive",
      "axle disconnect",
      "add actuator",
      "vacuum actuator",
      "transfer case",
      "4 low",
      "front axle"
     ]
    },
    {
     "id": "transmission-shifting",
     "title": "Harsh shifts, slipping, flare or no overdrive",
     "system": "Transmission",
     "keywords": [
      "transmission slipping",
      "harsh shift",
      "hard shift",
      "no overdrive",
      "flare",
      "delayed engagement",
      "shift flare",
      "atf",
      "overdrive off light",
      "transmission problem"
     ]
    },
    {
     "id": "brakes-pull-soft",
     "title": "Brakes pull to one side, squeal, pulsate or pedal feels soft",
     "system": "Brakes",
     "keywords": [
      "brakes pull",
      "brake pulsation",
      "soft pedal",
      "squeal",
      "grinding",
      "sticking caliper",
      "brake line",
      "warped rotor",
      "spongy pedal",
      "abs light"
     ]
    },
    {
     "id": "oil-leak",
     "title": "Oil leak or oil smell, drips on the ground",
     "system": "Engine",
     "keywords": [
      "oil leak",
      "oil drip",
      "valve cover gasket",
      "burning oil smell",
      "oil pan",
      "rear main seal",
      "distributor o-ring",
      "oil on exhaust",
      "leaking oil"
     ]
    },
    {
     "id": "driveline-noise",
     "title": "Clunk, growl or vibration from the driveline",
     "system": "Drivetrain",
     "keywords": [
      "driveshaft",
      "u-joint",
      "clunk when shifting",
      "differential noise",
      "rear diff whine",
      "pinion seal",
      "diff growl",
      "vibration under load",
      "cv axle",
      "wheel bearing noise"
     ]
    },
    {
     "id": "charging-battery-warning",
     "title": "Battery light on, dim lights or battery keeps dying",
     "system": "Starting & Charging",
     "keywords": [
      "battery light",
      "charging system",
      "alternator",
      "dead battery",
      "dim headlights",
      "voltage low",
      "parasitic drain",
      "battery drain",
      "alternator belt"
     ]
    }
   ]
  },
  {
   "id": "fj-cruiser",
   "vehicle": "FJ Cruiser",
   "platform": "fj-cruiser",
   "years": "2007–2014",
   "covers": "US-market FJ Cruiser, 2007 to 2014, with the 1GR-FE 4.0L V6 (timing chain) and either the 5-speed automatic or the 6-speed manual. Assumes the part-time 4WD model with a floor-mounted transfer case lever; 2WD trucks skip the 4WD checks.",
   "updated": "2026-10-15",
   "symptoms": 16,
   "page": "https://toyotadata.com/troubleshooter/fj-cruiser/",
   "json": "https://toyotadata.com/api/troubleshooter/fj-cruiser.json",
   "index": [
    {
     "id": "frame-rust",
     "title": "Rust on the frame, especially at the rear crossmember",
     "system": "Frame & Body",
     "keywords": [
      "frame rust",
      "rusty frame",
      "rust holes",
      "rear crossmember",
      "frame rot",
      "frame inspection",
      "fuel tank strap",
      "rust",
      "underbody rust",
      "hitch rust"
     ]
    },
    {
     "id": "rear-clunk-stop-start",
     "title": "Clunk or thump from the rear when coming to a stop or pulling away",
     "system": "Drivetrain",
     "keywords": [
      "clunk",
      "thunk",
      "thump from rear",
      "bump from behind",
      "driveshaft clunk",
      "propeller shaft",
      "clunk when stopping",
      "clunk pulling away",
      "4wd clunk",
      "rear clunk"
     ]
    },
    {
     "id": "steering-wheel-shake-highway",
     "title": "Steering wheel shimmy or flutter at highway speed",
     "system": "Steering & Suspension",
     "keywords": [
      "steering flutter",
      "steering wheel shake",
      "shimmy",
      "highway vibration",
      "55 mph shake",
      "70 mph vibration",
      "wheel balance",
      "death wobble",
      "steering shake",
      "tire vibration"
     ]
    },
    {
     "id": "driveline-vibration",
     "title": "Vibration that changes with vehicle speed, felt in the seat or floor",
     "system": "Drivetrain",
     "keywords": [
      "vibration",
      "driveshaft vibration",
      "shake at speed",
      "seat vibration",
      "floor vibration",
      "u-joint",
      "lift kit vibration",
      "drivetrain shake",
      "driveline",
      "speed related vibration"
     ]
    },
    {
     "id": "rear-diff-leak-noise",
     "title": "Oil leaking from the rear differential, or whining, howling or grinding from the rear axle",
     "system": "Drivetrain",
     "keywords": [
      "rear diff leak",
      "pinion seal",
      "axle seal leak",
      "differential whine",
      "rear end noise",
      "gear oil leak",
      "diff breather",
      "howl",
      "rear axle noise",
      "oil on rear brakes"
     ]
    },
    {
     "id": "4wd-wont-engage",
     "title": "4WD will not engage, or the A-TRAC / VSC lights come on",
     "system": "Drivetrain",
     "keywords": [
      "4wd not working",
      "4wd wont engage",
      "transfer case",
      "4 low",
      "4 high",
      "a-trac light",
      "vsc light",
      "trac off",
      "front diff noise",
      "4wd indicator"
     ]
    },
    {
     "id": "automatic-transmission-shudder",
     "title": "Shudder or vibration under light throttle, or hunting and harsh shifts (automatic)",
     "system": "Transmission",
     "keywords": [
      "transmission shudder",
      "torque converter",
      "converter shudder",
      "harsh shift",
      "shift hunting",
      "p0741",
      "p2769",
      "ws fluid",
      "automatic slipping",
      "transmission fluid"
     ]
    },
    {
     "id": "no-crank",
     "title": "Turn the key: click or nothing, engine won't crank",
     "system": "Starting & Charging",
     "keywords": [
      "no crank",
      "click",
      "won't start",
      "wont start",
      "starter",
      "dead battery",
      "solenoid",
      "clicking",
      "starter relay",
      "hard start after battery"
     ]
    },
    {
     "id": "crank-no-start",
     "title": "Engine cranks normally but won't start",
     "system": "Fuel & Ignition",
     "keywords": [
      "cranks but wont start",
      "crank no start",
      "no start",
      "fuel pump",
      "no spark",
      "crankshaft sensor",
      "fuel relay",
      "long crank",
      "turns over wont fire",
      "stalls and wont restart"
     ]
    },
    {
     "id": "rough-idle-misfire",
     "title": "Rough idle, stumbling or a misfire code (P0300 to P0306)",
     "system": "Fuel & Ignition",
     "keywords": [
      "rough idle",
      "misfire",
      "p0300",
      "p0301",
      "p0302",
      "p0303",
      "p0304",
      "p0305",
      "p0306",
      "stumble",
      "shaking at idle",
      "idle after battery disconnect"
     ]
    },
    {
     "id": "lean-codes-p0171-p0174",
     "title": "Check engine light with P0171 or P0174 (system too lean)",
     "system": "Fuel & Ignition",
     "keywords": [
      "p0171",
      "p0174",
      "system too lean",
      "lean bank 1",
      "lean bank 2",
      "maf sensor",
      "vacuum leak",
      "check engine light",
      "fuel trim",
      "air fuel ratio"
     ]
    },
    {
     "id": "overheating",
     "title": "Engine temperature gauge climbing, overheating or losing coolant",
     "system": "Cooling",
     "keywords": [
      "overheating",
      "running hot",
      "coolant loss",
      "temperature gauge",
      "radiator",
      "thermostat",
      "water pump",
      "coolant leak",
      "steam",
      "heater blows cold"
     ]
    },
    {
     "id": "evap-and-catalyst-codes",
     "title": "Check engine light for EVAP leak (P0440, P0455, P0456) or catalyst efficiency (P0420, P0430)",
     "system": "Emissions",
     "keywords": [
      "p0420",
      "p0430",
      "p0440",
      "p0441",
      "p0455",
      "p0456",
      "evap",
      "gas cap",
      "catalytic converter",
      "failed emissions",
      "purge valve",
      "check engine"
     ]
    },
    {
     "id": "brakes-pulsation-noise",
     "title": "Brake pedal pulsation, squeal, grinding or soft pedal",
     "system": "Brakes",
     "keywords": [
      "brake vibration",
      "brake pulsation",
      "squeal",
      "grinding brakes",
      "soft pedal",
      "spongy brakes",
      "warped rotors",
      "brake pull",
      "brake noise",
      "parking brake"
     ]
    },
    {
     "id": "front-end-clunk-wander",
     "title": "Clunk over bumps, loose steering or wandering in the front end",
     "system": "Steering & Suspension",
     "keywords": [
      "front end clunk",
      "clunk over bumps",
      "loose steering",
      "wander",
      "ball joint",
      "sway bar link",
      "tie rod",
      "control arm bushing",
      "pulls to one side",
      "front suspension noise"
     ]
    },
    {
     "id": "water-leak-musty-smell",
     "title": "Water on the passenger floor, musty smell or A/C blowing weak",
     "system": "Body & Electrical",
     "keywords": [
      "water on floor",
      "wet carpet",
      "musty smell",
      "ac smell",
      "evaporator drain",
      "ac not cold",
      "ac drain",
      "cowl drain",
      "cabin leak",
      "ac water inside"
     ]
    }
   ]
  },
  {
   "id": "100-series",
   "vehicle": "100 Series Land Cruiser / Lexus LX 470",
   "platform": "land-cruiser",
   "years": "1998–2007",
   "covers": "US-market UZJ100 Land Cruiser and Lexus LX 470, 1998 to 2007, with the 2UZ-FE 4.7L V8 (timing belt). AHC items apply to the LX 470 only; most US Land Cruisers have conventional shocks. Transmission is the A343F or A750F depending on year, so check the fluid spec for your truck.",
   "updated": "2026-10-15",
   "symptoms": 15,
   "page": "https://toyotadata.com/troubleshooter/100-series/",
   "json": "https://toyotadata.com/api/troubleshooter/100-series.json",
   "index": [
    {
     "id": "timing-belt-water-pump",
     "title": "Timing belt due, squeal or rattle from the front of the engine, or coolant and oil weeping at the front",
     "system": "Engine",
     "keywords": [
      "timing belt",
      "water pump",
      "90k service",
      "belt interval",
      "tensioner",
      "coolant leak front of engine",
      "squeal",
      "timing cover",
      "weep hole",
      "2uz-fe timing belt"
     ]
    },
    {
     "id": "overheating",
     "title": "Engine temperature gauge climbing, overheating or losing coolant",
     "system": "Cooling",
     "keywords": [
      "overheating",
      "running hot",
      "coolant loss",
      "temperature gauge",
      "radiator",
      "thermostat",
      "fan clutch",
      "water pump",
      "coolant leak",
      "steam",
      "heater blows cold"
     ]
    },
    {
     "id": "no-crank",
     "title": "Turn the key: click or nothing, engine won't crank",
     "system": "Starting & Charging",
     "keywords": [
      "no crank",
      "click",
      "won't start",
      "wont start",
      "starter",
      "dead battery",
      "solenoid",
      "clicking",
      "ground strap",
      "neutral safety switch"
     ]
    },
    {
     "id": "crank-no-start",
     "title": "Engine cranks normally but won't start",
     "system": "Fuel & Ignition",
     "keywords": [
      "cranks but wont start",
      "crank no start",
      "no start",
      "fuel pump",
      "no spark",
      "crankshaft sensor",
      "fuel relay",
      "long crank",
      "turns over wont fire",
      "stalls and wont restart"
     ]
    },
    {
     "id": "rough-idle-misfire",
     "title": "Rough idle, stumbling or a misfire code (P0300 to P0308)",
     "system": "Fuel & Ignition",
     "keywords": [
      "rough idle",
      "misfire",
      "p0300",
      "p0301",
      "p0302",
      "p0303",
      "p0304",
      "p0305",
      "p0306",
      "stumble",
      "shaking at idle"
     ]
    },
    {
     "id": "lean-codes-p0171-p0174",
     "title": "Check engine light with P0171, P0174 or air-fuel sensor codes (P2195, P2197)",
     "system": "Fuel & Ignition",
     "keywords": [
      "p0171",
      "p0174",
      "p2195",
      "p2197",
      "system too lean",
      "lean bank 1",
      "lean bank 2",
      "maf sensor",
      "vacuum leak",
      "air fuel sensor",
      "check engine light"
     ]
    },
    {
     "id": "secondary-air-injection-p2440",
     "title": "Check engine light with secondary air injection codes (P2440, P2442, P2445, P0418), whirring at cold start",
     "system": "Emissions",
     "keywords": [
      "p2440",
      "p2441",
      "p2442",
      "p2445",
      "p0418",
      "p0412",
      "secondary air injection",
      "air pump",
      "whirring cold start",
      "emissions failed",
      "air switching valve"
     ]
    },
    {
     "id": "ahc-suspension-faults",
     "title": "LX 470: AHC lights flashing, truck sagging, uneven ride height or won't raise",
     "system": "Steering & Suspension",
     "keywords": [
      "ahc",
      "active height control",
      "height control",
      "lx470 sagging",
      "ahc light flashing",
      "ahc off light",
      "accumulator",
      "sphere",
      "ahc pump",
      "ahc fluid",
      "suspension sagging"
     ]
    },
    {
     "id": "front-end-clunk-ball-joints",
     "title": "Clunk, rattle or wander in the front suspension",
     "system": "Steering & Suspension",
     "keywords": [
      "front end clunk",
      "ball joint",
      "clunk over bumps",
      "loose steering",
      "wander",
      "sway bar link",
      "tie rod",
      "control arm bushing",
      "front suspension rattle",
      "steering play"
     ]
    },
    {
     "id": "power-steering-leak",
     "title": "Power steering fluid leak, whining pump or heavy steering",
     "system": "Steering & Suspension",
     "keywords": [
      "power steering leak",
      "steering rack leak",
      "power steering fluid",
      "steering whine",
      "hard steering",
      "rack boot",
      "pump whine",
      "steering fluid low",
      "high pressure hose",
      "wet inner tie rod boot"
     ]
    },
    {
     "id": "automatic-transmission-shifts",
     "title": "Harsh, flaring or shuddering shifts, or a clunk shifting from Reverse",
     "system": "Transmission",
     "keywords": [
      "transmission problem",
      "harsh shift",
      "flare",
      "shudder",
      "judder",
      "transmission slipping",
      "reverse clunk",
      "chatter out of reverse",
      "a343f",
      "a750f",
      "transmission fluid"
     ]
    },
    {
     "id": "center-diff-4wd-problems",
     "title": "Center diff lock won't engage or release, indicator light odd, binding or buzzing from the transfer case",
     "system": "Drivetrain",
     "keywords": [
      "center diff lock",
      "diff lock",
      "transfer case",
      "4wd light",
      "center differential",
      "transfer case buzz",
      "binding in turns",
      "low range",
      "4wd not engaging",
      "lock indicator"
     ]
    },
    {
     "id": "differential-noise-leak",
     "title": "Whine, howl or gear oil leak from a front or rear differential",
     "system": "Drivetrain",
     "keywords": [
      "differential noise",
      "diff whine",
      "diff leak",
      "pinion seal",
      "axle seal",
      "gear oil leak",
      "howl",
      "differential breather",
      "rear diff",
      "front diff"
     ]
    },
    {
     "id": "brakes-vibration-noise",
     "title": "Brake vibration, squeal, rattle, soft pedal or ABS/VSC lights",
     "system": "Brakes",
     "keywords": [
      "brake vibration",
      "brake pulsation",
      "squeal",
      "grinding",
      "soft pedal",
      "abs light",
      "vsc light",
      "brake pad rattle",
      "parking brake rattle",
      "warped rotors"
     ]
    },
    {
     "id": "frame-body-rust",
     "title": "Rust on the frame, body mounts, rear wheel arches or rockers",
     "system": "Frame & Body",
     "keywords": [
      "frame rust",
      "rusty frame",
      "rust holes",
      "body mount rust",
      "rocker rust",
      "rear wheel arch rust",
      "rear frame rail",
      "crossmember rust",
      "rust inspection",
      "salt rust"
     ]
    }
   ]
  },
  {
   "id": "80-series",
   "vehicle": "80 Series Land Cruiser",
   "platform": "land-cruiser",
   "years": "1991–1997",
   "covers": "FZJ80 (1993–1997 US, 1FZ-FE), Lexus LX 450 (1996–1997), FJ80 (1991–1992 US, 3F-E). Engine checks assume the 1FZ-FE unless noted.",
   "updated": "2026-10-15",
   "symptoms": 14,
   "page": "https://toyotadata.com/troubleshooter/80-series/",
   "json": "https://toyotadata.com/api/troubleshooter/80-series.json",
   "index": [
    {
     "id": "overheating",
     "title": "Temperature climbs when towing, climbing or on hot days",
     "system": "Cooling",
     "keywords": [
      "overheat",
      "overheating",
      "temp gauge",
      "hot",
      "running hot",
      "temperature",
      "climbing",
      "towing",
      "fan"
     ]
    },
    {
     "id": "head-gasket",
     "title": "White smoke, sweet smell or coolant disappearing",
     "system": "Engine",
     "keywords": [
      "head gasket",
      "hg",
      "white smoke",
      "coolant loss",
      "milky oil",
      "sweet smell",
      "steam",
      "bubbles"
     ]
    },
    {
     "id": "no-crank",
     "title": "Turn the key: click or nothing, engine won't crank",
     "system": "Starting & Charging",
     "keywords": [
      "no crank",
      "click",
      "won't start",
      "wont start",
      "starter",
      "dead",
      "battery",
      "solenoid",
      "contacts"
     ]
    },
    {
     "id": "crank-no-start",
     "title": "Cranks fine but won't fire",
     "system": "Fuel & Ignition",
     "keywords": [
      "crank no start",
      "cranks",
      "won't fire",
      "no start",
      "fuel pump",
      "no spark",
      "relay",
      "dies"
     ]
    },
    {
     "id": "rough-idle",
     "title": "Rough idle, hesitation or bad fuel economy",
     "system": "Fuel & Ignition",
     "keywords": [
      "rough idle",
      "hesitation",
      "stumble",
      "misfire",
      "mpg",
      "fuel economy",
      "check engine",
      "cel",
      "idle"
     ]
    },
    {
     "id": "driveline-clunk",
     "title": "Clunk on takeoff or vibration that grows with speed",
     "system": "Drivetrain",
     "keywords": [
      "clunk",
      "vibration",
      "driveshaft",
      "u-joint",
      "shudder",
      "slip yoke",
      "takeoff",
      "grease"
     ]
    },
    {
     "id": "front-axle",
     "title": "Clicking or grinding when turning, grease on the inside of the wheel",
     "system": "Front Axle",
     "keywords": [
      "click",
      "turning",
      "birfield",
      "birf",
      "cv",
      "knuckle",
      "grease leak",
      "wheel bearing",
      "front axle"
     ]
    },
    {
     "id": "steering-wander",
     "title": "Wandering, loose steering or front-end shimmy",
     "system": "Steering & Suspension",
     "keywords": [
      "wander",
      "death wobble",
      "shimmy",
      "loose steering",
      "play",
      "tie rod",
      "panhard",
      "steering box",
      "drifts"
     ]
    },
    {
     "id": "lockers",
     "title": "Center diff lock or locker light stays on, or won't engage",
     "system": "Drivetrain",
     "keywords": [
      "cdl",
      "center diff",
      "diff lock",
      "locker",
      "light flashing",
      "won't engage",
      "won't disengage",
      "4wd light"
     ]
    },
    {
     "id": "brakes",
     "title": "Brake pedal pulses, truck pulls, or stopping feels weak",
     "system": "Brakes",
     "keywords": [
      "brakes",
      "pulsing",
      "pulls",
      "soft pedal",
      "squeal",
      "caliper",
      "rotor",
      "lspv",
      "stopping"
     ]
    },
    {
     "id": "abs-light",
     "title": "ABS light is on",
     "system": "Brakes",
     "keywords": [
      "abs",
      "abs light",
      "brake light",
      "sensor",
      "wheel speed"
     ]
    },
    {
     "id": "trans",
     "title": "Automatic slips, shifts harsh or the overdrive light flashes",
     "system": "Transmission",
     "keywords": [
      "transmission",
      "slipping",
      "harsh shift",
      "od light",
      "overdrive",
      "flashing",
      "atf",
      "shift"
     ]
    },
    {
     "id": "charging",
     "title": "Battery keeps dying or voltage gauge reads low",
     "system": "Starting & Charging",
     "keywords": [
      "battery dying",
      "charging",
      "alternator",
      "voltage",
      "dim lights",
      "drain",
      "dead battery"
     ]
    },
    {
     "id": "water-leak",
     "title": "Water on the floor or a damp headliner",
     "system": "Body & Electrical",
     "keywords": [
      "water leak",
      "wet carpet",
      "damp",
      "sunroof",
      "headliner",
      "rain",
      "musty"
     ]
    }
   ]
  }
 ]
}