Check Engine Light Due to Loose or Worn Gas Cap on Chevrolet Express 2500

A loose or worn gas cap could be cause the Check Engine Light to illuminate.

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Average mileage: 60,000 (60,000–60,000)
Exhaust & Emissions affected: Gasoline
10 model years affected: 1996, 1997, 1998, 1999, more2000, 2001, 2002, 2009, 2010, 2012
10 people reported this problem
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