Community Fixes
Common problems grouped from confirmed-fix threads on SupraForums — 572 issues across MKIII threads
Systems
All Issues572Engine162Electrical143Other60Cooling42Body / Interior39Suspension35Transmission28Turbo20Fuel System15Brakes15Exhaust13Sort by:Most DiscussedSystem
Electrical13 threads
accessing fuses behind kick panel
87 supra wont startfuse panel buzzingHow to remove drivers side kick panel?+ 10 more threads
Electrical13 threads
main electrical power supply failure
Auto Tranny: Car revs, but doesn't move?my wiring issue....help quick- freezing no gas+ 10 more threads
Electrical12 threads
drivers door lock froze up
Getting Back in the GameIs it possible to open the door.....My new car, and new problem+ 9 more threads
Electrical12 threads
brake and battery lights flickering
Tail light problem. Not all bulb all lightning / flikeringCelica Turn Signal Lever on Supra???"O/D OFF" light blinking+ 9 more threads
Electrical11 threads
cut wiring at pressure sensor connector
zt2 wideband readingsThemostat Senors wiresWhere to find factory wiring connectors?+ 8 more threads
Electrical11 threads
headlights remain illuminated after power cycle
Headlights stuck on after being parked outside all winterHow's this for messed up?head lights dont ever go off+ 8 more threads
Electrical11 threads
code 52 due to grounded knock sensor wire
Dreaded Code 52Code 22 and 51runs like ass.+ 8 more threads
Electrical11 threads
check engine code 34 suspected ic leak
check engine light code 24 and 31.. HELPJust in time for 2K9...Code 12?!?!?!+ 8 more threads
Electrical11 threads
starter wiring connection location
Cant find where these two engine wires go? near startergreat...damn car isn't starting...help! car wont even turn over!+ 8 more threads
Electrical11 threads
battery casing deformed due to high temperatures
Battery Damage due to Hot Tempsbattery relocation - voltage dropNeed Help Quick!!!+ 8 more threads
Electrical11 threads
no voltage to starter solenoid
Supra Not Turning On?No startclick and no start+ 8 more threads
Electrical11 threads
no issue with high resistance ignition coils
Don't know where to start.No spark at coil help plzCode 14 and Coilpack, low resistance+ 8 more threads
Electrical11 threads
no starter engagement when turning key
90 supra wont startCar wont start, then mysteriously does...Code 12 headscratcher+ 8 more threads
Electrical11 threads
ABS system not functioning after manual swap
Take out ABS? Pros vs cons?Speedo speed sensor ?Anyway to tell why my ABS light is on?+ 8 more threads
Electrical11 threads
mounting location for aftermarket gauge
ProSport Gauges Look Great, But I Received One that was DOAHelp Me With Some Easy Q's On Pillar Gauges!!!!Pulling Needles Off Gauges+ 8 more threads
Electrical11 threads
tachometer reading erratically
Calling DrJonez!where to purchase resistors1989 3.0 7MGTE Tachometer signal+ 8 more threads
Electrical10 threads
no lights on instrument cluster or taillights
Help, no guage lights!No dash lights-HELPno dash lights+ 7 more threads
Electrical10 threads
unthreaded holes in the starter
Starter removal tipswhat does this sound like..car tries to start itself need help!+ 7 more threads
Electrical10 threads
starter clicking after driving in heat
second supra has starter "click noise"Starter ProblemsDoesn't even struggle to idle+ 7 more threads
Electrical10 threads
reverse light wiring harness routing issue
license plate lightingWhere is the connector for reverse lights in the engine??Reverse light electrical wiring / camera.+ 7 more threads