Check Engine Light Due to Loose or Worn Gas Cap on Chevrolet Express 3500

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

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Average mileage: (–)
Exhaust & Emissions affected: Gasoline
5 model years affected: 1996, 1997, 1998, 1999, more2000
5 people reported this problem
0 people shared problem details
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