1990 Toyota Corolla Repair and Maintenance

A guide to problems, costs, maintenance and repair for your 1990 Toyota Corolla

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1990 Toyota Corolla Problems

Check Engine Light Due to Restricted EGR System

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 also wise to verify the EGR system components i.e. the Transducer, EGR Valve and VSV Solenoid at this time.

Inspect transmission/fluid every 30,000 miles

You may be able to prevent automatic transmission problems by servicing the transmission and inspecting the fluid every 30,000 miles. If the fluid is dark or burned, the transmission system should be completely flushed.

Automatic Transmission May Not Shift Correctly at High Mileages

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.

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1990 Toyota Corolla Recalls

Seat Heater Wiring Shorts And Causes Fire

For vehicles equipped with aftermarket accessory seat heaters, the seat heater elements may short circuit when the seat cushion is compressed, and result in a fire hazard. Dealers will disconnect the seat heaters and refund the purchase price of the seat heaters free of charge to resolve the concern,

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1990 Toyota Corolla Reviews

My 1990 toyota corolla , check engine light is on not sure what to check. I checked all fluids there fine. I want repair this problem myself just not sure where to start. Low on cash any solution would help thank you... Sarah phx,az
running when wheather hot engine loses power shut down ,when cool after 30 min. restarts runs fine than repeats replaced fuel pump dist. disp cap , rotor ,plugs , wires ,water pump
I bought my J-Mota with only 173,000 miles in it. And I owned it for about 3 years now in never had any major problem with it... Best car ever built... 1990 Toyota Corolla DX AWESOME CAR!!!!!!!!!!

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