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International Automotive Technicians Network
1989 Buick LeSabre Custom 3.8L Hesitation, Cuts out, Misfire
Posted to GM Driveability on 9/9/2008 17 Replies

hello techs, this buick is strange. it sits in open loop for a long time, when in open loop it hesitates and feels like it is misfiring with light acceleration. if and when it goes into closed loop it runs great. but let the car idle a while and it will return...

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  Related Documents & Media  1989 Buick LeSabre Custom

 
Message Closed w/FIX

car Vehicle Data

1989 Buick LeSabre Custom

VIN 1G4HP54C3K
Engine3.8 L / 6 cyl / GAS
Trans4-speed Automatic
DeliveryFI / MFI
SymptomsHesitation, Cuts Out, Misfire
OccursIntermittently,
Message Closed w/FIX

car Vehicle Data

1989 Buick LeSabre Custom

VIN 1G4HP54C3K
Engine3.8 L / 6 cyl / GAS
Trans4-speed Automatic
DeliveryFI / MFI
SymptomsHesitation, Cuts Out, Misfire
OccursIntermittently,