1991 Pontiac Bonneville Repair and Maintenance
A guide to problems, costs, maintenance and repair for your 1991 Pontiac Bonneville
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1991 Pontiac Bonneville ProblemsEngine Stalling Due to Mass Air Flow/Crankshaft Position Sensor Failure
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.
1991 Pontiac Bonneville QuestionsWhat's wrong with my A/C (1 answer)
A/C is charged but won't blow out cold air feels like the heater is stuck on an won't blow out the front only the floor an defrost
was able to jump start it. radio and interior lights work when key is turned to auxilary.