Pontiac Trans Sport Problems

Check Engine Light Due to Gas Cap Issue on Pontiac Trans Sport

Problem Description and Possible Solution

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

(4 people reported this problem)

Pontiac Trans Sport Vehicles With This Problem

RepairPal Verified
Average mileage: 153,000 (153,000–153,000)
3 model years affected: 1996, 1997, 1998
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Brake problem? Or maybe a faulty head gasket cylinder?
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