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2004 Chevrolet Express 3500 6.0L Poor Idle Quality, Misfire, MIL Lamp on
Posted to GM Driveability on 2/10/2010 9 Replies

#7 cylinder skipping at idle. Goes away at 2% throttle. #2 also skips at times but I beleive that's a sympathy skip.

9 Replies Received (View Replies)

  Related Documents & Media  2004 Chevrolet Express 3500

 
Message Closed w/FIX

car Vehicle Data

2004 Chevrolet Express 3500

VIN 1CGHG39U44
Engine6.0 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality, Misfire, MIL Lamp On
OccursIdle

Trouble Codes

P0300Multiple Misfire Detected
Message Closed w/FIX

car Vehicle Data

2004 Chevrolet Express 3500

VIN 1CGHG39U44
Engine6.0 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality, Misfire, MIL Lamp On
OccursIdle

Trouble Codes

P0300Multiple Misfire Detected