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2003 Buick Century Custom 3.1L Misfire
Posted to GM Driveability on 9/28/2012 34 Replies

Some much for easy. Car came in for rough idle. Found #3 cylinder misfire counts rising quickly. Scope tested ignition system and could see #3 pattern was different. Look lean. Scoped injectors and all patterns looked the same. Flow tested injectors and all ga...

34 Replies Received (View Replies)

  Related Documents & Media  2003 Buick Century Custom

 
Message Closed w/Summary

car Vehicle Data

2003 Buick Century Custom

VIN 2G4WS52J63
Engine3.1 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

2003 Buick Century Custom

VIN 2G4WS52J63
Engine3.1 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsMisfire
OccursIdle

Trouble Codes

P0300Multiple Misfire Detected