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Pontiac Bonneville Check Engine Light Due to Gas Cap Issue

 
Pontiac Bonneville Problem
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Model Years Affected: 1997, 1998, 1999, 2000, 2001, 2002, 2003

Average Mileage: 144,000 mi (118,000 mi - 189,000 mi)

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Illumination of the Check Engine Light can be caused by a loose or worn gas cap.

  • When I put my gas cap on, I have to turn it past being on. I turn it until it clicks several times. Otherwise, my service engine light comes on.

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