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Chevrolet G Series Van (G20) Problems

Check Engine Light Due to Loose or Worn Gas Cap on Chevrolet G Series Van (G20)

Problem Description and Possible Solution

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

(3 people reported this problem)

Chevrolet G Series Van (G20) Vehicles With This Problem

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