Buick Park Avenue Problem Report
Buick Park Avenue Check Engine Light Due to Gas Cap Issue
Illumination of the Check Engine Light can be caused by a loose or worn gas cap.
Car drove fine, but Service Engine light was on. Had it checked out and was told of a small air leak and gas caps loose their seal after a while. Got a new gas cap and the light went out. - Visitor
440 code showing as problem and after resetting/clearing code engine light always comes back on. Replaced fuel cap. Still coming on. Smoke tested car and replaced sensor...still comes on. - Visitor
Fuel cap will not stay on. - Visitor
it's not fixed - Visitor
It's not the gas cap. Could changing the Canister Purge Valve solve the problem? I reset the c...
Checked code due to stall at highway speed- it cut out then restarted itself.. Bought new air...
Failure of the crankshaft position sensor, ignition control module, or powertrain control modul...