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.
Resources for the Repair and Maintenance of your 2005 Buick Park Avenue
2005 Buick Park Avenue
2005 Buick Park Avenue Problems
The intake manifold gasket may develop external engine oil and/or coolant leak. The intake manifold will need to be removed and the gasket replaced to correct this issue.
The mode and temperature door actuators may fail causing improper air flow or temperature output from the heating and AC (HVAC) system.
The front struts may show signs of wear, or be excessively bouncy ride at freeway speeds. This may begin to occur at around 75,000 miles.
The steering rack may fail causing a loss of power steering fluid as a result the steering may become hard to turn.
2005 Buick Park Avenue Questions and Answers
Will not start after the crank sensor gets hot.
The blower tends to work intermittently. It gets warm and stays on once it decides to work. It is not set on "auto."
It's not the gas cap. Could changing the Canister Purge Valve solve the problem? I reset the code about 4 times per tankful of gas.
I found 2 external torx under front pulley.Is that it?