2012 TOYOTA FJ CRUISER

Typical onset: 80,000-150,000 mi

Symptoms: Excessive oil consumption (1 qt per 1,000 mi or worse), Blue smoke on cold start or acceleration, Loss of power, rough idle, Metallic knock if ringland has fractured

Fix: The 1GR-FE can crack the top ringland on pistons, especially cylinders 2 and 5. Often requires complete engine rebuild or short-block replacement. 25-35 labor hours for rebuild, 18-22 for short block swap. Some cases covered under TSB but most are out of warranty by now.

Estimated cost: $4,500-8,000

Typical onset: 100,000-180,000 mi

Symptoms: Pink milkshake appearance in transmission fluid, Transmission slipping, delayed engagement, Coolant level dropping with no external leaks, Transmission overheating

Fix: Internal failure of the transmission cooler built into the radiator allows coolant and ATF to mix. Requires radiator replacement, full transmission flush, often torque converter and internal transmission damage. Best practice: replace radiator preventatively and install external trans cooler. Radiator replacement is 3-4 hours; if trans is damaged, add 12-18 hours for rebuild.

Estimated cost: $800-1,200 preventative; $3,500-5,500 if transmission damaged

Typical onset: 80,000-130,000 mi

Symptoms: Clunk or thud when shifting from Park to Drive/Reverse, Vibration at idle, especially in Drive, Visible sag or torn rubber on mount inspection

Fix: The rear transmission mount collapses due to the weight of the A750F transmission and off-road abuse. Replacement is straightforward: 1.5-2 hours labor. Use OEM Toyota mount, aftermarket polyurethane bushings can transmit too much NVH.

Estimated cost: $250-400

Typical onset: 90,000-140,000 mi

Symptoms: Ticking or tapping noise on cold start that fades when warm, Exhaust smell in cabin, Check engine light with Bank 1 or Bank 2 lean codes

Fix: The rear (firewall-side) manifold studs corrode and break, or gasket fails. Rear bank is a nightmare—requires removing intake, coil packs, and working blind. 8-10 hours labor. Front bank is 4-5 hours. Often both banks done at once. Use anti-seize on new studs.

Estimated cost: $1,200-2,200 depending on one or both banks

Typical onset: 80,000-120,000 mi

Symptoms: Check engine light: P0410, P0418, P2440, P2442, Rapid clicking from engine bay on cold start, No drivability issues, emissions test failure

Fix: AIR pump, one-way valves, or solenoids fail. System only runs first 60-90 seconds on cold start for emissions. Can replace pump (2 hours) or valves (3-4 hours) individually, or delete system if not in emissions-tested area. Many owners remove and block off.

Estimated cost: $600-1,200 for pump/valves; $200-400 for delete kit + labor

Typical onset: 60,000-100,000 mi

Symptoms: Clunking over bumps, Wandering steering, loose feel, Excessive play in wheel when lifted and checked, Tire wear on inside edge

Fix: Lower ball joints wear faster than most Toyotas, especially with larger tires or off-road use. Cannot be replaced separately—requires full lower control arm. 2.5-3 hours per side including alignment. Do both sides at once.

Estimated cost: $800-1,200 for both sides

Symptoms: Rear door won't unlock or open from outside, Handle feels loose or floppy, Door opens from inside but not outside

Fix: Plastic components in exterior handle assembly break, or lock actuator fails. Requires hatch panel removal and handle assembly replacement. 1.5-2 hours labor. Very common failure, keep WD-40 Lithium spray on the mechanism as preventative.

Estimated cost: $350-550