Car Problem Reports

GMC Sierra 2500 HD Check Engine Light Due to Gas Cap Issue

 
GMC Sierra 2500 HD Problem
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Model Years Affected: 2001, 2002, 2003, 2004, 2005, 2006

Exhaust & Emissions Affected: Gasoline

Average Mileage: 106,000 mi (92,000 mi - 120,000 mi)

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

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