Community Fixes
Common problems grouped from confirmed-fix threads on SupraForums — 572 issues across MKIII threads
Systems
All Issues572Engine162Electrical143Other60Cooling42Body / Interior39Suspension35Transmission28Turbo20Fuel System15Brakes15Exhaust13Sort by:Most DiscussedSystem
Engine23 threads
difficulty removing transmission mounting bolts
where do i get the bolts for engine stand to mount my 7mgte on ?Gas draining clarificationTop 2 tranny bolts.......??+ 20 more threads
Electrical22 threads
reading diagnostic trouble codes
3rd Set Of Knock Sensors And Ecu Still Code 52Code 52: what to do when everything tests OK?No diagnostic box 88 Non turbo+ 19 more threads
Electrical22 threads
suspected ignition system failure
Ignition Boxes...Which is best???1JZ Swap Complete, Fired up first time Today (Vid)Megasquirt II / EDIS 6 users please help!+ 19 more threads
Cooling22 threads
coolant hose replacement needed
im a noob that screwed upHead Removal(newb Question)Need help with 7MGE+ 19 more threads
Engine21 threads
possible afm issue
Those with Lexus AFM! Quick help!MY AFM is dead!code 31 after cleaning AFM sensor+ 18 more threads
Engine21 threads
shifter bearing replacement
Expected Horse Power at the wheels?Rear Wheel Bearing Removal and Installation QuestionDrive train support bearing questions+ 18 more threads
Engine21 threads
ARP stud clearance on oil pump
Technico oil pump bearingeasyest way to change an oil pump?Bad oil pump+ 18 more threads
Electrical21 threads
constant low voltage power to accessory circuits
VPC + S-AFC install problem1jz PROBLEMS!!!!!Charging system @ 13.0v :(+ 18 more threads
Engine21 threads
random misfire at idle or high RPM
1JZ Random Misfire at idle, light load, and WOTAFM problemsnumber 1 cyl is missing+ 18 more threads
Transmission20 threads
difficulty shifting into second gear
Just got my first supra! XDR154 2jz swapped SC300 won't shift!Best $5 I've spent in a While.+ 17 more threads
Turbo20 threads
vacuum port detached from blow-off valve
Blew off my Blow-OffSTUMPED!! EXPERTS NEEDED!! never happened before.. duno what it is.. anyone?MKIV BOV on MKIII+ 17 more threads
Transmission20 threads
driveshaft balancing required after swap
1 piece driveshaft questions1 piece driveshaft scrape?Cant Install Driveshaft? Wtf?+ 17 more threads
Suspension20 threads
steering rack bushings size discrepancy
DriftMotion/Marlin Crawler shifter bushing will NOT fit W58 - other's experience?Rear lowering spring install HELP!!!Rack bushings+ 17 more threads
Electrical20 threads
check engine light illuminated
This means im ok right?Engine RPM dropped to zero with check engine and battery light on, what happened?New Memeber w/ BOV question+ 17 more threads
Engine20 threads
needs fresh fuel
MKiii Rebuild with lots of Problemswhats up wit mklll gas milageterrible gas mileage since upgrading exhaust, intake, and upping boost+ 17 more threads
Cooling20 threads
intermittent lack of hot airflow from heater
Air Conditioning QuestionsHeating is busted?Fixed my A/C! w00t!!1!!11+ 17 more threads
Electrical20 threads
headlights pointing too high
LED headlights shutting off/going dimHeadlight control “switch” fits?Mk3 headlights+ 17 more threads
Turbo19 threads
boost control issue
About to sell If I cant find a SolutionHKS EZ solenoid mounting?ok....MBC install???+ 16 more threads
Engine19 threads
release bearing over-extension
Carrier Bearing - PITA?Pilot bearing removalPILOT BEARING! pain in the a$$!+ 16 more threads
Engine19 threads
oil leaking into combustion chamber
help with a few thingsLiquid fuel coming out of exhaust.dumping fuel..what could it be+ 16 more threads