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 drive n a residential neighbo...
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 resulting in illumination of the Check Engine Light. It is often recommend to replace both check valves...
The EGR tube may develop an engine vacuum leak causing the Check Engine (SES) light to illuminate.
it comes on when im ideling at a stop light when i take off it turns off.. one day i turned it...

Related Content