Car Problem Reports

GMC Yukon XL Denali Check Engine Light Due to Gas Cap Issue

 
GMC Yukon XL Denali Problem
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Model Years Affected: 2001, 2002, 2003, 2004, 2005, 2006

Average Mileage: 80,666 mi (63,000 mi - 100,000 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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