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GMC 3500 Pickup Problems

Check Engine Light Due to Gas Cap Issue on GMC 3500 Pickup

Problem Description and Possible Solution

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

(5 people reported this problem)

GMC 3500 Pickup Vehicles With This Problem

RepairPal Verified
Average mileage: (–)
Exhaust & Emissions affected: Gasoline
5 model years affected: 1996, 1997, 1998, 1999, more2000
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