Close
GMC Sierra Denali Problems

Check Engine Light Due to Gas Cap Issue on GMC Sierra Denali

Problem Description and Possible Solution

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

(17 people reported this problem)

GMC Sierra Denali Vehicles With This Problem

RepairPal Verified
Average mileage: 100,950 (80,000–135,000)
8 model years affected: 2002, 2003, 2004, 2005, more2006, 2008, 2009, 2010
Not Your GMC Sierra Denali Problem?
Brake problem? Or maybe a faulty head gasket cylinder?
Learn About Your Car Problems
Search For a Specific Car Problem
Viewing 1-2 of 2 comments