Car Problem Reports

Pontiac Bonneville Check Engine Light Due to Gas Cap Issue

 
Pontiac Bonneville Problem
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Model Years Affected: 1996, 2001, 2002, 2004, 2005

Average Mileage: 118,457 mi (112,372 mi - 125,000 mi)

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

  • Visitor, , 125,000 mi

    For as long as I can remember the check engine light is on. Replaced the gas cap. Works for about a week. Light back on. I gave up

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