Community Fixes
Common problems grouped from confirmed-fix threads on SupraForums — 572 issues across MKIII threads
Systems
All Issues572Engine162Electrical143Other60Cooling42Body / Interior39Suspension35Transmission28Turbo20Fuel System15Brakes15Exhaust13Sort by:Most DiscussedSystem
Engine11 threads
poor cold start running due to bad temperature sensor
Replacement connector for cold start injector time switchstrange cranking issueCalifornia Smog Fail+ 8 more threads
Engine11 threads
engine stalls immediately after start
Two Supras Obtained88 7m-ge wont start obd1 code 12dies after start up+ 8 more threads
Brakes11 threads
difficulty locating rear brake hardware
Were the heck can i get the E brake padsParking Brake ShoesParking brake shoes available at NAPA+ 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
Electrical10 threads
engine will not turn over
Timing QuestionSupra dead.she lives!+ 7 more threads
Electrical10 threads
small interior accent lighting bulbs
How do I wire up a toggle switch?Light Bulbs, Where to getInterior lights not coming on..+ 7 more threads
Electrical10 threads
multiple power accessories failure
Alternator WoesTwo questionspowers locks, windows and seats don't work?????+ 7 more threads
Fuel System10 threads
replaced fuel pump and filter
Fuel filtermk3 fuel filter location?I need pics of your MK3's fuel tank.+ 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
Turbo10 threads
air noise
Noise thats been bothering me.when boosting is something suppossed to screamFan makes noise?+ 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
wiring diagram needed for aftermarket ignition switch
Need help with a few last touches.Hks Temsmk3 supra ignition switch panel+ 7 more threads
Transmission10 threads
rear end vibration at highway speeds
Vibration-Bad Vibrations (HELP ME)Horrible shaking @ 65mph and higher Help!!!+ 7 more threads
Brakes10 threads
intermittent loss of brake pedal pressure
help brake problemNo brakes, Holy shit!!!! just purchased MK3who here know our hydrolic brake? my car dont stop...no more brake...+ 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
Brakes10 threads
wheel stud breakage on front axle
Three wheelstuds broke off. WTF!!Volks GTC on mk3 Lug/Stud questionWheel studs breaking+ 7 more threads
Engine10 threads
lack of oil squirters affecting cooling
Mobil1 75W-90 Gear OilCar is broken pretty bad, need helpWhats in you Tranny!? (oil wise)+ 7 more threads
Engine10 threads
starting issues due to worn starter load contacts
1988 Supra 7MGTE shuts off after starting: Downpipe crack and check engine light?TPS adjustment helpMajor Starting Issues. HELP LEASE+ 7 more threads
Engine10 threads
rod knocking sound heard at multiple RPM ranges
FUCK! (engine problems)Well, she's dead... what do I do??Can someone give a positive diagnosis: video+ 7 more threads
Engine10 threads
needs oversized crankshaft thrust bearing
Bad News From Machine Shop(Didn't see this coming)CPS internal oil seal part numberhelp ordering toyota rod/main bearings+ 7 more threads