Community Fixes
Common problems grouped from confirmed-fix threads on SupraForums — 572 issues across MKIII threads
Systems
All Issues572Engine162Electrical143Other60Cooling42Body / Interior39Suspension35Transmission28Turbo20Fuel System15Brakes15Exhaust13Sort by:Most DiscussedSystem
Body / Interior6 threads
repainting rear trim lettering
How to remove water spots from paint? with pics.Pine Sap!!dying the door panels+ 3 more threads
Suspension6 threads
difficulty removing sway bar end links
How to remove rear sway bar endlinksStabilizer link removalSway bar endlinks, wont come off?+ 3 more threads
Engine6 threads
proper installation of head studs
ARP head studsHead stud questionsQuick info request, someone with their head off.+ 3 more threads
Body / Interior6 threads
turn signal mounting clip for front fender
Ran Into Trouble doin Lil StuffNeed help on fender replacementTurn Signal Mounting Clip/Front Fender Mount clip+ 3 more threads
Engine6 threads
engine misfire that is intermittent and random
Random misfire/sputter, ideas please!Stumped on engine miss problem (and I did the usual checks)Random/Intermittent Missfire and Code 52 (knock sensors freshly rewired)+ 3 more threads
Engine6 threads
wiring valve body to ProEFI system
replacing valve seals and swapping head.. cam and puck questionsCan one of you legends with good brakes get me pics of your proportioning valve line routing?Help-2JZ-GTE VVTi Wiring Pro-EFI into MKII chassis+ 3 more threads
Other6 threads
none
Just got my JDM tailsLightning's Summer Supra Update!Just bought a '91 Turbo- looking for advice+ 3 more threads
Fuel System6 threads
charcoal canister removal and replacement advice
charcoal canister removal question?88 7mgte: What is the canister under the intake manifold with vacuum lines?where does this line go to?+ 3 more threads
Electrical6 threads
theft deterrent system failure to arm
bypass theft deterrent computerValet switch, alarmtheft deterrent system+ 3 more threads
Electrical6 threads
cracked electrical connector at base
SAFC2 Installhelp please hooked up diagnosis wrongFinally got it working.......I am soo dam happy..+ 3 more threads
Electrical6 threads
connector pin length mismatch
Vpc87 7M-GE -> 91 7M-GTE wiring painsBosch ev6 connector pin?+ 3 more threads
Electrical6 threads
power mirror control failure
Side mirror connector P/NPassenger side mirrorRHD MK3 GT power mirror control HELP+ 3 more threads
Electrical6 threads
cut wires in driver side wheel well
steering hub adapter??? PLEASE HELPMKIV steering wheel fit a MKIII with airbag?NOOOO!!!! Hopefully it's only minor...+ 3 more threads
Electrical6 threads
power loss at dimmer switch socket
Power ProblemsNo power at dimmer switch female sideDash Lights Not Working After Boost Gauge Install: Troubleshooting Tips?+ 3 more threads
Turbo6 threads
intermittent chuffing sound when spooling down
getting bw s300 to spool fasterSo SadProfec B ?? Always no+ 3 more threads
Other6 threads
difficulty removing seat adjustment knob
i searched, but found no answer. how do you take off the headrest?seatback anglestuck in recline mode+ 3 more threads
Electrical6 threads
flasher unit wiring pinout incorrect
Notes on my 90TFlashers and turn signals not workingBlinker Staying solid?+ 3 more threads
Engine6 threads
harder to fire under load
whaaaaat theeee FuuuuuuuukEngine making no powerMajor miss under a load+ 3 more threads
Engine6 threads
missing coolant port cover plate on turbocharger
3rd valve cover, P/N? use old one?Where can I get the new Vavle cover gasket and bolts?HKS wastegate problem+ 3 more threads
Engine6 threads
spring insulator replacement
Valve seal help needed before I kill somebody!!Alternatives for MK3 front spring insulator (48157-14020)?Gas door spring thing+ 3 more threads