Community Fixes
Common problems grouped from confirmed-fix threads on SupraForums — 572 issues across MKIII threads
Systems
All Issues572Engine162Electrical143Other60Cooling42Body / Interior39Suspension35Transmission28Turbo20Fuel System15Brakes15Exhaust13Sort by:Most DiscussedSystem
Fuel System5 threads
need larger fuel injectors for increased power
Time for meth/water injection?Fuel Injector OptionsIdling 1000cc injectors+ 2 more threads
Transmission5 threads
unable to shift out of park
ARG!!! Electrical Problems. Is my diagnosis correct?I bought another Supra...auto tranny issue+ 2 more threads
Transmission5 threads
transmission stuck during bellhousing removal
Please Help! Why wont this Relay come out?taking motor out HELP !!!R154 Removal Issue+ 2 more threads
Transmission5 threads
disconnection of pressure plate bolts
Rusty new clutch? (pics inside)Clutch Problem!Tranny removal, need help ASAP+ 2 more threads
Suspension5 threads
cam lobe inspection after timing belt change
4 wheel alignment questionCam lobes when setting timing beltintrax camber?+ 2 more threads
Suspension5 threads
spring height difference between left and right
Commetic HG ProblemFactory Ride Heightdrop spring question+ 2 more threads
Brakes5 threads
no transmission engagement
hate this car, brakes dont workNo BrakesA340E no gears and 7mgte high idle+ 2 more threads
Brakes5 threads
front brakes stuck
Need help!! Brake issue!!!help, my front brakes locked up.Front Calipers Frozen!+ 2 more threads
Brakes5 threads
broken bleeder screw on caliper
Clutch won't disengage need ideas..bleeding the brakesemergency... broken bleeder screw!+ 2 more threads
Brakes5 threads
removal of anti-lock braking system
need help removing ABSbrake problemABS bypass?+ 2 more threads
Exhaust5 threads
main catalytic converter length measurement needed
supra mkiii....small problemFor those of you with mystery lag...(pics)MK3 1G Gtte Cataletic converter problem.+ 2 more threads
Body / Interior5 threads
hood lift supports needed
Question on pulling a motor with engine hoistFive Words You Will Never Hear Me SayCFX Hood Lift Supports+ 2 more threads
Body / Interior5 threads
new stereo components too large for dash opening
New CD player wont fit in dash.Dash swap projectDash fitment around climate control.+ 2 more threads
Other5 threads
transmission fluid recommendation
R154 Tranny Fluid. What's your poison?Help with fluids, end the myths and bullshit.manual trans capacity+ 2 more threads
Other5 threads
general restoration project starting from storage
87 Supra n/a bring her back to life thread. father son project.Blue 1991 sunroof with 19,818 miles.Reviving an '87 with 10K miles+ 2 more threads
Other5 threads
tuning method selection for wideband
Any way to TEST a Wideband?vf or a/f for wideband tuningZeitronix ZT-2 Wideband problem. HELP!+ 2 more threads
Other5 threads
nothing fits properly
My hole is to small for the Radiator Cock i boughtProblem with Elec. Fan InstallFFIM woes.... Nothing seems to fit+ 2 more threads
Electrical4 threads
unused power wire for horn circuit
Lights and horn on with ignition onThe horn causes the headlights to come up! LOLwiring 89t into 87 na?+ 1 more thread
Engine4 threads
missing cam gear dowel pin
7mgte dowel pinnMissing cam dowel pincylinder head guide pins+ 1 more thread
Engine4 threads
air intake pipe replacement dimensions
Anyone ever made their own air intake pipe on an N/A?Air Inlet Hose | Anyone Parting out an mkiii turbo?Replacement air intake pipes for discontinued NA/7MGE?+ 1 more thread