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International Automotive Technicians Network
2004 Chevrolet Impala 3.4L Poor Idle Quality
Posted to GM Driveability on 4/1/2009 22 Replies

Greetings GM Techs, I have a very frustrating problem here. This occurs during idle only. Cylinder #6 will miss fire every 4 seconds, when it miss fires it will last for about 5 seconds, then idle smoothly for 4 seconds, then back to miss firing for 5 seconds....

22 Replies Received (View Replies)

  Related Documents & Media  2004 Chevrolet Impala

 
Message Closed w/FIX

car Vehicle Data

2004 Chevrolet Impala

VIN 2G1WF52E84
Engine3.4 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality
OccursHot, Idle

Trouble Codes

P0300Multiple Misfire Detected
Message Closed w/FIX

car Vehicle Data

2004 Chevrolet Impala

VIN 2G1WF52E84
Engine3.4 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality
OccursHot, Idle

Trouble Codes

P0300Multiple Misfire Detected