Check Engine Light Due to Gas Cap Issue: Pontiac Grand Prix Muffler & Exhaust

Problem overview

A loose or worn gas cap may cause check engine light to illuminate.

6 people reported this problem

2 comments

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Pontiac Grand Prix vehicles with this problem

2 model years affected

2005 Pontiac Grand Prix

2004 Pontiac Grand Prix

2005 Pontiac Grand Prix

2004 Pontiac Grand Prix

Average mileage: 130,000 miles

(130,000 - 130,000)

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Check Engine Light Due to Gas Cap Issue on Pontiac Grand Prix

Problem overview

Pontiac Grand Prix vehicles with this problem

Need a diagnosis? Trust our Pontiac experts.

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Ask our experts about your Pontiac.