Check Engine Light Due to Gas Cap Issue on Pontiac G5

Submitted by Vehicle Owner · May 29, 2025
Published by RepairPal

Problem overview

Illumination of the check engine light can be caused by a loose or worn gas cap.

23 people reported this problem
7 comments
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Pontiac G5 vehicles with this problem

3 model years affected
Average mileage: 100,241 miles
(41,000 - 208,240)

Repairs related to this problem

Check Engine Light Diagnosis & Testing

The average cost for a Pontiac G5 Check Engine Light Diagnosis & Testing repair is between $122 and $179.

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