Check Engine Light Due to Gas Cap Issue on Chevrolet Express 3500

A Loose or worn gas cap may cause Check Engine Light to illuminate.

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Average mileage: 110,000 (110,000–110,000)
Exhaust & Emissions affected: Gasoline
3 model years affected: 2003, 2004, 2010
3 people reported this problem
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2010 Chevrolet Express 3500 110,000 mi,
check engine light came in driving in IL IN and KY. Went back out when I got back to TX where it was alot warmer. Happened twice on diffrent trips into a colder climate. Turned out to be a bad gas cap...