Illumination of the Check Engine Light may be the result of a loose or worn gas cap.
Problems for specific Chevrolet Cavalier years:
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Repairpal verified 1998 Chevrolet Cavalier problems
The serpentine belt tensioner can fail; it may become noisy and/or the belt may jump off. Replacement of the failed tensioner will be necessary.
The turn signal switch in the steering column may fail causing the turn signals not to work on one or both sides.
The engine vacuum hose to the MAP sensor may crack resulting in a vacuum leak causing the engine to run rough and/or stall.
The rubber section of an automatic transmission cooler line may develop a fluid leak . In some cases the leaking section of hose can be replaced. In others, the complete cooler line must be replaced to correct this concern.