Car Problem Reports

GMC Sierra Denali Check Engine Light Due to Gas Cap Issue

GMC Sierra Denali Problem
11 Reports
Me Too

Model Years Affected: 2002, 2003, 2004, 2005, 2006, 2010

Average Mileage: 106,188 mi (86,500 mi - 135,000 mi)


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

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