Check Engine Light Due to Gas Cap Issue on Chevrolet Impala SS

A Loose or worn gas cap may cause Check Engine Light to illuminate.

RepairPal Verified
Average mileage: 92,850 (68,700–117,000)
6 model years affected: 1996, 2004, 2006, 2007, more2008, 2009
12 people reported this problem
1 person shared problem details
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I did replace the gas cap with a new one from auto parts store.
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