1999 Pontiac Sunfire Repair and Maintenance
A guide to problems, costs, maintenance and repair for your 1999 Pontiac Sunfire
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1999 Pontiac Sunfire ProblemsCheck Engine Light Due to Gas Cap Issue
Illumination of the Check Engine Light can be caused by a loose or worn gas cap.
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.
1999 Pontiac Sunfire QuestionsWhat else can make the engine backfire thru the exhaust? (1 answer)
Had a new timing chain put in a Valve job done. She still backfires thru the exhaust. She is so far out of time the garage says new engine.The head is good yet.
Tested battery, tested starter , there is not even a click.