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Chevrolet Express 2500 Problems

Check Engine Light Due to Gas Cap Issue on Chevrolet Express 2500

Problem Description and Possible Solution

A Loose or worn gas cap may cause Check Engine Light to illuminate.

(1 person reported this problem)

Chevrolet Express 2500 Vehicles With This Problem

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Average mileage: (–)
1 model year affected: 2003
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Brake problem? Or maybe a faulty head gasket cylinder?
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