1997 Chevrolet G Series Van (G20) Repair and Maintenance
A guide to problems, costs, maintenance and repair for your 1997 Chevrolet G Series Van (G20)
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1997 Chevrolet G Series Van (G20) ProblemsIntake Manifold Gaskets May Leak Coolant or Engine Oil
The intake manifold gasket may develop and external engine oil or coolant leak. In some cases, an internal coolant leak may occur causing coolant to mix with the engine oil. Running the engine with a coolant/oil mix may result in engine damage. Replacing the intake manifold gasket should correct this issue.
One or more fuel injectors may become stuck closed causing an engine misfire and the Check Engine Light to illuminate. Our technicians tell us that this problem can be caused by some fuel additives. There are special procedures which may be able to restore the affected injector. If this fails the affected injector must be replaced.
1997 Chevrolet G Series Van (G20) QuestionsNew coolant sensor and plug. Van runs rich after warm up (2 answers)
Van starts up and runs fine when cold. Sea light stays on. Once truck is up to speed it runs fine. When I give it gas it has a misfire. Temp needle doesn't move above 100.