Having problems with your 1995 Buick Park Avenue ?

1995 Buick Park Avenue. will sometimes stall at freeway speeds. Also, on warm days, above 60 dgrees and after the car has been driven untill the engine is warm the car refuses to start. If I wait about an hour, the car will start. Have had it to 3 Buick dealers and 2 independent mechanics with no resolution to the problem. Note: When the engine won't start, the starter motor turns at a much higher speed than normal. It sounds as if there is no compression in any of the cylinders. The car's compu

Posted / edited by AnonymousUser on : 18-11-2019

Answers :

When no codes are present for a problem like this the suspect part is the ECM (ELECTRONIC CONTROL MODULE), when it fails it will not throw a fault code, I had a 1993 Buick Rivera (3.8L) with this same symptom, it was resolved after I replaced the ECM and Ihe ICM (IGNITION CONTROL MODULE), WHEN IT STALLS OUT HAVE YOU CHECKED FOR LOSS OF SPARK? HAS A LIVE DATA RECORDING SCANNER EVER BEEN HOOKED UP BY THE DEALER AND THE STALL RECORDED IN THE SCANNERS MEMORY?, HAS THE FUEL PRESSURE BEEN MONITORED WHILE THE STALL OCCURS, THESE ARE TESTS THAT MUST BE DONE TO RESOLVE ANY ISSUE LIKE THIS, AND YES THE DEALER IS THE ONE THAT HAS THE EQUIPMENT TO DO THIS TYPE OF IN DEPTH DIAGNOSIS.
\015\012My experience, 35 years as a factory certified and trained electronic engine control master technician
Repair Help & Product Troubleshooting for 1995 Buick Park Avenue

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