Silverado SS

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

Problem Description and Possible Solution

Illumination of the Check Engine Light can be caused by a loose or worn gas cap.

Problem Data
RepairPal Verified
Average mileage: 8,900 (8,900–8,900)
5 model years affected: 2003, 2004, 2005, 2006, more2007
6 people reported this problem