Check Engine Light Due to Loose or Worn Gas Cap on GMC Savana 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
7 model years affected: 1996, 1997, 1998, 1999, more2000, 2009, 2010
7 people reported this problem
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