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1999 Buick Regal GS 3.8L Misfire, Excessive plug wear
Posted to GM Driveability on 2/28/2006 12 Replies

What I have here is a 3.8 supercharged with no running problems inidicated when driving until plug tip is burnt off, then will start misfiring. What I have found out is that the plugs were replaced once (500 miles ago) prior to coming to me with a new mass air...

12 Replies Received (View Replies)

  Related Documents & Media  1999 Buick Regal GS

 
Message Closed w/FIX

car Vehicle Data

1999 Buick Regal GS

VIN 2G4WF5214X
Engine3.8 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / SEFI
EmissionsOBD-II Compliant
SymptomsMisfire, Excessive Plug Wear
OccursAfter Driving 500 Miles
Misc.Calibration #9372414

Trouble Codes

P0300Multiple Misfire Detected
Message Closed w/FIX

car Vehicle Data

1999 Buick Regal GS

VIN 2G4WF5214X
Engine3.8 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / SEFI
EmissionsOBD-II Compliant
SymptomsMisfire, Excessive Plug Wear
OccursAfter Driving 500 Miles
Misc.Calibration #9372414

Trouble Codes

P0300Multiple Misfire Detected