1990 Toyota 4Runner Repair and Maintenance
A guide to problems, costs, maintenance and repair for your 1990 Toyota 4Runner
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1990 Toyota 4Runner ProblemsEngine Coolant Temperature Sensor May Stop Working at Higher Mileages
At higher mileages (125,00+) the Engine Coolant Temperature Sensor may intermittently stop working, especially when the vehicle is fully warmed up. This can result in illumination of the Check Engine Light and/or an engine stalling problem.
If the car will not start, the most likely problem is worn or corroded solenoid contacts in the starter. Usually, these parts can be replaced without purchasing a new starter.
1990 Toyota 4Runner QuestionsClutch pedal engages and disengages at the floor (1 answer)
The clutch pedal engages and disengages about about an inch from the floor. Can this be adjusted? Do I need new clutch plates or to rebuild slave cylinder?
I have a high mileage automatic transmission and it slips a little bit. I have tried some conditioners, but they don't seem to help.
I can only purchase the idle air control unit specified for manual transmissions
1990 Toyota 4Runner RecallsToyota Recalls 1990-1998 Trucks Due to Cracked Steering Relay Rod
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.