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1990 Pontiac Bonneville Repair and Maintenance

A guide to problems, costs, maintenance and repair for your 1990 Pontiac Bonneville

1990 Pontiac Bonneville Problems

The intake manifold gaskets can develop external engine oil or coolant leaks. The intake manifold will need to be removed and the gaskets replaced to correct this issue. In some cases the plastic intake manifold my be damaged requiring replacement.

The mass air flow or crankshaft position sensor may fail causing the engine to stall intermittently. Proper diagnoses will be necessary to determine the cause of any stalling condition.

The water pump may develop a coolant leak resulting in an engine overheating condition.

 

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1990 Pontiac Bonneville Questions

In the 1986 bonneville it has no front or rear running lights and keeps blowing the fuse for it as soon as you turn on the lights. The headlights, turn signals, and four ways all work. I have checked the illumination wire like someone told me to and that is fine. Any help?

1988 pontiac bonneville fuel system problems

1988 Pontiac Bonneville won't stay running unless you pump the gas peddle

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