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1990 Cadillac Fleetwood Problems

RepairPal has identified the most common problems with the 1990 Cadillac Fleetwood based on complaints from actual vehicle owners. We'll tell you what the problem is and what it'll take to fix it.

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22
Known Problems

A door window may move slowly or stop in mid travel due to a failing power window motor. The affected window may start working again after the motor cools off. Replacing the faulty window motor will commonly correct this concern.

The engine control module (ECM) electrical grounds on the front of the engine block may have high resistance causing a rough running engine or stalling condition.

The fuel injectors may short out electrically causing a rough idle.

The alternator may fail causing the battery to go dead or the engine to stall while driving.

The EGR valve or control solenoid may fail causing the check engine (SES) light to illuminate.

The ABS master cylinder assembly may fail internally causing the ABS light to illuminate.

The ABS accumulator may fail causing loss of power brake assist. (The brake pedal will become very hard).