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2001 Buick Century Custom 3.1L Excessive Emissions, Misfire
Posted to GM Driveability on 9/16/2008 19 Replies

I have a misfire on this 3.1 that only occurs after it is in closed loop, it almost seems that it is at Rev Limit during accel? Misfire monitor shows multiple, however cylinder #1 and 2 seem to be affected most. NO head leaks. Plugs are new, tried a new module...

19 Replies Received (View Replies)

  Related Documents & Media  2001 Buick Century Custom

 
Message Closed w/FIX

car Vehicle Data

2001 Buick Century Custom

VIN 2G4WS52J11
Engine3.1 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsExcessive Emissions, Misfire
OccursHot, Under Load
Message Closed w/FIX

car Vehicle Data

2001 Buick Century Custom

VIN 2G4WS52J11
Engine3.1 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsExcessive Emissions, Misfire
OccursHot, Under Load