At higher mileages, (125,000-150,000) the automatic transmission may not shift correctly. This can be caused by the throttle position sensor being out of adjustment or a shift solenoid needing to be replaced. Typically the transmission does not need to be completely overhauled.
Resources for the Repair and Maintenance of your 1990 Toyota 4Runner
1990 Toyota 4Runner
1990 Toyota 4Runner Problems
The EGR System tends to get restricted or blocked with carbon after 100,000- 125,000 miles which will cause an emissions test failure for NOX. If the EGR system is equipped with an EGR temperature sensor it will trigger a Check Engine Light for improper EGR flow. The repair is to clean out the EGR passages and the EGR Temperature sensor. Our technicians tell this repair is pretty straight forward and takes about 1-1.5 hours. It is al...
Front brake rotors can wear causing a pulsation felt in the brake pedal. Our technicians tell us this condition is best corrected by replacement of the front rotors and brake pads.
On vehicles with a manual transmission, worn shift bushings can cause the transmission to pop out of gear, especially when coasting down in 1st or 2nd gear. Replacing all the shift linkage bushings is pretty straight forward and not expensive and will commonly correct this concern.
If the engine will not crank over, the most common problem is the starter. These will tend to go out at about 100,00-125,000 miles. Sometimes it is only the starter solenoid, but often the complete starter (including solenoid) needs to be replaced.
1990 Toyota 4Runner Recalls (Recent)
RepairPal Expert Overview:
Toyota is recalling 1990-1995 4Runner, 1990-1995 pickup, and 1993-1998 Toyota T100 trucks because the steering relay rod may crack under stress. This may increase the risk of a crash. Dealers will replace the steering relay rod.
1990 Toyota 4Runner Questions and Answers
I have an issue with my 1990 R-Runner. When I'm at about 50-65 mph and apply the brakes, the brake pedal goes all the way down & if i hold it steady it eventually comes back and then it ...
My front wheels vibrate a lot when I'm going over 70 mph. If the wheels are balanced correctly, what could it be?
My 1990 runner just idles when i hit the gas. i only have 115,000 miles on it. what could be the problem?
My 1990 runner blows alot white smoke when it gets hot. i just had my heads re-done. so i haven't blown a gasket. could it be my radiator or my hoses or what?