2001 TOYOTA SUPRA

Typical onset: 80,000-150,000 mi or after boost increases

Symptoms: White smoke from exhaust, Coolant loss with no visible leaks, Overheating under load, Milky oil on dipstick or cap, Rough idle with misfire codes

Fix: Factory head gasket torque spec is inadequate for long-term reliability, especially with any boost over stock 10 psi. Proper fix requires both head gaskets, ARP head studs, head resurfacing, and full timing belt service while you're in there. Budget 18-24 labor hours for complete job done right.

Estimated cost: $3,500-5,500

Typical onset: 100,000-140,000 mi

Symptoms: Delayed engagement into gear, Slipping between 2nd and 3rd gear under load, Burnt transmission fluid smell, Harsh or no 3-4 upshift, Transmission overheating warning

Fix: The A340E is the weakest link in automatic Supras, cannot handle stock turbo power long-term. Clutch packs wear, valve body bores score. Rebuild with upgraded clutches and shift kit takes 12-16 hours, but many opt for used JDM replacement (8-10 hours) or 6-speed manual swap if budget allows.

Estimated cost: $2,800-4,200

Typical onset: 90,000-130,000 mi

Symptoms: Hesitation or stumble under hard acceleration, Loss of boost pressure, Rough running when fuel tank below 1/4, Fuel smell in cabin, Check engine light with lean codes

Fix: In-tank fuel pump fails or gets choked by debris from deteriorating fuel lines and filter sock. Fuel filter is actually inside the tank on these, not inline. Requires tank drop, new pump assembly, and inspect/replace rubber feed lines. 4-6 hours labor.

Estimated cost: $800-1,400

Typical onset: 60,000-100,000 mi

Symptoms: Oil smell in cabin when heater is on, Oil residue on top of engine and down sides, Low oil level between changes, Smoke from engine bay at idle after spirited driving

Fix: Valve cover gaskets harden and leak, cam seals seep. Not urgent but makes a mess and can drip onto exhaust. Replace both valve cover gaskets, cam seals, and half-moon seals while accessing. 3-4 hours labor, straightforward job.

Estimated cost: $500-900

Typical onset: 120,000+ mi or after hard use

Symptoms: Blue smoke on deceleration, Excessive oil consumption (quart per 500 miles), Loud turbo whine or grinding noise, Oil in intercooler piping, Loss of boost pressure

Fix: Factory CT12B turbos fail from oil coking in CHRA or shaft play from age. Requires both turbos, oil feed lines, drain lines, and coolant lines replaced. Most owners upgrade to single turbo at this point. OEM replacement is 10-14 hours, single-turbo conversion 16-20 hours.

Estimated cost: $3,000-6,500

Typical onset: 70,000-120,000 mi

Symptoms: Clunking from rear on acceleration or deceleration, Vibration through chassis at highway speeds, Wheel hop during aggressive launches, Wandering feeling in rear end during cornering

Fix: Differential carrier bushings and subframe bushings deteriorate, allowing movement. Requires diff drop, press out old bushings, press in new. Many go polyurethane for longevity but adds NVH. 6-8 hours labor including alignment check.

Estimated cost: $900-1,600