Check Engine Light Due to Gas Cap Issue on Chevrolet Cobalt 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: 104,502 (85,000–124,005)
6 model years affected: 2005, 2006, 2007, 2008, more2009, 2010
8 people reported this problem
Viewing 1 - 2 of 2 problem details
Well I've tried everything to get rid of the engine light warning. With no luck, good news is the car still runs like a champ with 130,000 miles on it.
Bought a new gas cap and erased check eng light