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1995 Buick Park Avenue 3.8L Poor Idle Quality, Hesitation, Stall, Misfire, MIL Lamp on
Posted to GM Driveability on 9/30/2005 8 Replies

This one has me at a dead end and place to go. I am getting a code 623 (1623) Prom Error. What started out with a "sometimes it runs bad with a check engine light" now it sets a code 623 prom error most of the time. Using Mitchell there isn't a whole lot to go...

8 Replies Received (View Replies)

  Related Documents & Media  1995 Buick Park Avenue

 
Message Closed w/FIX

car Vehicle Data

1995 Buick Park Avenue

VIN 1G4CW52K8S
Engine3.8 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / SEFI
EmissionsNot OBD-II Compliant
SymptomsPoor Idle Quality, Hesitation, Stall, Misfire, MIL Lamp On
OccursIntermittently

Trouble Codes

623Prom Error
Message Closed w/FIX

car Vehicle Data

1995 Buick Park Avenue

VIN 1G4CW52K8S
Engine3.8 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / SEFI
EmissionsNot OBD-II Compliant
SymptomsPoor Idle Quality, Hesitation, Stall, Misfire, MIL Lamp On
OccursIntermittently

Trouble Codes

623Prom Error