TSRM/MK3 Supra/Community Fixes
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Community Fixes

Common problems grouped from confirmed-fix threads on SupraForums — 572 issues across MKIII threads

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Electrical11 threads

no voltage to starter solenoid

Supra Not Turning On?No startclick and no start+ 8 more threads
Electrical11 threads

tachometer reading erratically

Calling DrJonez!where to purchase resistors1989 3.0 7MGTE Tachometer signal+ 8 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

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

battery casing deformed due to high temperatures

Battery Damage due to Hot Tempsbattery relocation - voltage dropNeed Help Quick!!!+ 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

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
Exhaust11 threads

rusted bolts preventing rear exhaust removal

Blitz NUR-Spec silencer shoot-out.supra is slower without exhasuthaha, figured out my exhaust leak+ 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
Suspension11 threads

loose mirror mounting vibration dampener

Are you sick of your rattling suspension?What is this Supra bit?Project Cheezgrator: an unclean Supra+ 8 more threads
Brakes11 threads

air trapped in brake lines

Air constantly in brake linebrake hose busted ! peice of adviceI think the master cylinder is gone - any advice?+ 8 more threads
Engine11 threads

running super rich with black smoke

HELP! Black smoke and extreme hesitation under full boost!!!New Mk3T running SUPER rich, help me diagnose.7m-gte Stalls and hesitates during acceleration / black smoke on throttle *PICS*+ 8 more threads
Engine11 threads

seeking engine rebuild kit

Justin727 build thread 56k bewareTime for a 3rd Engine...Pulling Engine, advise please?+ 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

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
Cooling11 threads

sensor hole size and pitch on water neck

Greddy Water Temp - Where Did You Put Sensor?Could my AEM be faulty??coolant temp sensor+ 8 more threads
Engine11 threads

vehicle accelerating significantly less than expected

Hesitation..help!Idle low after rev need ideasAnother rebirth!!+ 8 more threads
Engine11 threads

low shifting RPM after TPS sensor replacement

TPS error, calibrating, and timing advance/retard question.Tps calibration question.SAFC2 owner needed for 2 minutes+ 8 more threads
Cooling11 threads

air trapped in cooling system

above the glovebox?overheating problem experts neededVarious issues+ 8 more threads
Cooling11 threads

clear gel clogging cooling system

Best tranny cooling?Coolant won't stay in radiatorMy MK3 needs help……+ 8 more threads