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1991 Buick LeSabre Custom 3.8L Poor Idle Quality, Stall
Posted to GM Driveability on 3/17/2002 5 Replies

With ign. off and key in hand, ECM will cycle IAC full open and full closed every 2 or 3 seconds . This will last for aprox. 10 minutes after engine shut down. With scan tool connected to ALDL, scan data will turn off and on every 2 or 3 seconds after engine s...

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Message Closed w/FIX

car Vehicle Data

1991 Buick LeSabre Custom

VIN 1G4HP54CXM
Engine3.8 L / 6 cyl / GAS
Trans4-speed Automatic
DeliveryFI
SymptomsPoor Idle Quality, Stall
OccursCold, Hot, Idle, Intermittently
Message Closed w/FIX

car Vehicle Data

1991 Buick LeSabre Custom

VIN 1G4HP54CXM
Engine3.8 L / 6 cyl / GAS
Trans4-speed Automatic
DeliveryFI
SymptomsPoor Idle Quality, Stall
OccursCold, Hot, Idle, Intermittently