1990 Pontiac Bonneville Repair and Maintenance
A guide to problems, costs, maintenance and repair for your 1990 Pontiac Bonneville
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1990 Pontiac Bonneville ProblemsEngine Overheating Due to Water Pump LeakIntake Manifold Gaskets Can Develop Engine Oil Leaks
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.
Problems with the anti-theft systems using the raised-chip key can prevent the car from starting. The wires in the steering column to the ignition lock cylinder tend to break. The the key and ignition lock cylinder must be replaced to correct this condition.
1990 Pontiac Bonneville QuestionsCar was stalling at stoplights it would also jump a little like it wasnt getting (1 answer)
Fuel. Then car died and wont start back. When cranking it seems to turn Over faster as if it jumped time.
If I turn it off it comes back fine. Occasionally it will do it again after restart but not always