Chevrolet
Impala SS
14

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

Problem Description and Possible Solution

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

Problem Data
RepairPal Verified
Average mileage: 110,233 (68,700–145,000)
6 model years affected: 1996, 2004, 2006, 2007, more2008, 2009
14 people reported this problem
Comments
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If I do not make sure my cap click and is on tight I get a check engine light.