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
Related Items:
y is da check engine light coming on? when i drive on da highway (fast) no light, buy when i dr...
I did replace the gas cap with a new one from auto parts store.
One or both secondary air injection check valves may become restricted causing poor air flow re...
The EGR tube may develop an engine vacuum leak causing the Check Engine (SES) light to illuminate.

Related Content