» »

Problems for specific Pontiac Bonneville years:

Car problem reports

Report A Problem

Problem with your car? See what our experts say or submit your own.

Newest reported Pontiac Bonneville problems

 

Reported by Shortcircuit70 for the Pontiac Bonneville

A/C cool on passenger but warm on driver. Car has dual climate control. This problem occurred recently so I went online to find some solution. Everyone said it was the mix air damper control not opening completely. After standing on my head for 2 hours working under the dash I found all the motors were operating just fine. So I sat and stared and scratched my head. With the engine running and hood up and a/c on I found the problem.
Just a br...

1 Report
Me Too

Verified for the Pontiac Bonneville

An ignition coil may fail causing one of the cylinders to misfire. Each of the two banks of cylinders has its own coil assembly. If one ignition coil fails the coil assembly for the corresponding cylinder bank must be replaced.

4 Reports
Me Too

Verified for the Pontiac Bonneville

The steering rack may fail causing a loss of power steering fluid as a result the steering may become hard to turn.

14 Reports
Me Too

Verified for the Pontiac Bonneville

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.

44 Reports
Me Too

Verified for the Pontiac Bonneville

Failure of the crankshaft position sensorignition control module, or powertrain control module (PCM) may cause the Check Engine Light to illuminate.

9 Reports
Me Too

Verified for the Pontiac Bonneville

The crankshaft position sensor may fail causing the engine to stall intermittently, the Check Engine Light may or may not illuminate.

3 Reports
Me Too

Verified for the Pontiac Bonneville

Illumination of the Check Engine Light can be caused by a loose or worn gas cap.

6 Reports
Me Too

Verified for the Pontiac Bonneville

Illumination of the Check Engine Light can be caused by a loose or worn gas cap.

15 Reports
Me Too

Verified for the Pontiac Bonneville

The outer tie rod ends on the steering linkage may wear causing excessive free play in the steering and uneven tire wear. If the worn tie rod ends are replaced, the wheel alignment should be checked and adjusted as necessary.

12 Reports
Me Too

Verified for the Pontiac Bonneville

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

 

30 Reports
Me Too

Verified for the Pontiac Bonneville

The EGR tube may develop an engine vacuum leak causing the engine to run lean. The Check Engine Light may or may not illuminate.

11 Reports
Me Too

Verified for the Pontiac Bonneville

The cam sensor interrupter (magnet) may become demagnetized and/or fall off of the camshaft gear causing the Check Engine Light (Service Engine Soon) light to illuminate. On higher mileage vehicles it would be advisable to replace the timing chain and gears if this problem were to occur as the timing cover must be removed to replace the interrupter.

7 Reports
Me Too

Verified for the Pontiac Bonneville

An intake manifold vacuum leak can develop from a variety of sources, often causing illumination of the Check Engine Light with codes P0171 & P0174 stored. Thorough diagnoses will be necessary to pinpoint the cause in order to make the correct repairs. A "smoke" machine is often used to isolate the cause of difficult to find vacuum leaks.

2 Reports
Me Too

Verified for the Pontiac Bonneville

The mode and temperature door actuators may fail causing improper air flow or temperature output from the heating and AC (HVAC) system.

45 Reports
Me Too

Verified for the Pontiac Bonneville

One or more heater & AC (HVAC) air delivery and/or temperature mode door actuator may fail. This can result in incorrect air delivery or temperature. If this occurs, fault code(s) stored in the HVAC control module should be available to assist with diagnoses.

4 Reports
Me Too
Ask a Question
More about this car