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2001 Buick LeSabre Custom 3.8L Misfire
Posted to GM Driveability on 4/29/2010 38 Replies

I have a mis-fire on number 6 cylinder only at idle. It will set a code in about 5 minutes. I have swaped plug, ign. wire, ign. coil and fuel injector from oposite bank with no change. Have cleaned EGR valve and replaced intake manifold gaskets and plenium gas...

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Message Closed w/Summary

car Vehicle Data

2001 Buick LeSabre Custom

VIN 1G4HP54K91
Engine3.8 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsMisfire
OccursIdle

Trouble Codes

P0300Multiple Misfire Detected
Message Closed w/Summary

car Vehicle Data

2001 Buick LeSabre Custom

VIN 1G4HP54K91
Engine3.8 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsMisfire
OccursIdle

Trouble Codes

P0300Multiple Misfire Detected