GMC
Sierra 1500 HD
11

Check Engine Light Due to Gas Cap Issue on GMC Sierra 1500 HD

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: 87,600 (87,600–87,600)
7 model years affected: 2001, 2002, 2003, 2004, more2005, 2006, 2007
11 people reported this problem