1991 Pontiac Bonneville Repair and Maintenance

A guide to problems, costs, maintenance and repair for your 1991 Pontiac Bonneville

1991 Pontiac Bonneville Problems

Engine Stalling Due to Mass Air Flow/Crankshaft Position Sensor Failure

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.

Intake 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.

Car Won't Start Because of Anti-Theft System That Uses Raised-Chip Key

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.

See More Problems (20)

1991 Pontiac Bonneville Questions

What'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

Where is the Mass flow sensor located on the engine? It s 3800 engine. (1 answer)

the battery and atlinator are good. car just clicks when i try to start it. (2 answers)

was able to jump start it. radio and interior lights work when key is turned to auxilary.

See More Questions (14)

1991 Pontiac Bonneville Recalls

Recall 91V198000
THE CONSOLE MOUNTED SHIFT LEVER MAY DISENGAGE FROM THE SHIFT CONTROL CABLE BRACKET CAUSING LOSS OF GEAR INDICATOR REFERENCE AND SHIFT SELECTOR OPERATION.

See More Recalls (1)