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GMC Rally Wagon 3500 Problems

Check Engine Light Due to Loose or Worn Gas Cap on GMC Rally Wagon 3500

Problem Description and Possible Solution

A loose or worn gas cap could be cause the Check Engine Light to illuminate.

(1 person reported this problem)

GMC Rally Wagon 3500 Vehicles With This Problem

RepairPal Verified
Average mileage: (–)
Exhaust & Emissions affected: Gasoline
1 model year affected: 1996
Not Your GMC Rally Wagon 3500 Problem?
Brake problem? Or maybe a faulty head gasket cylinder?
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