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2002 Chevrolet Impala 3.8L Misfire
Posted to GM Driveability on 1/6/2010 23 Replies

This vehicle has a misfire at IDLE ONLY on #1 cylinder only after it is hot. Cold start is ok. As soon as the throttle is opened when it is misfiring, it goes away. Long term fuel trim was at 10% and short term was 0. We have performed a motorvac fuel service ...

23 Replies Received (View Replies)

  Related Documents & Media  2002 Chevrolet Impala

 
Message Closed w/Summary

car Vehicle Data

2002 Chevrolet Impala

VIN 2G1WF55KX2
Engine3.8 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsMisfire
OccursHot, Idle

Trouble Codes

P0300Multiple Misfire Detected
Message Closed w/Summary

car Vehicle Data

2002 Chevrolet Impala

VIN 2G1WF55KX2
Engine3.8 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsMisfire
OccursHot, Idle

Trouble Codes

P0300Multiple Misfire Detected