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