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2008 GMC Sierra 3500 HD SLE 6.0L Poor Idle Quality, Misfire, MIL Lamp on
Posted to GM Driveability on 3/1/2019 17 Replies

The truck was running flawlessly before the cam roller dropped out on the intake lobe of number 7 cylinder. After the install of the new head, rollers, and push rods number 5 and 8 cylinders have a bad misfire, but not a dead miss. The problem basically di...

17 Replies Received (View Replies)

  Related Documents & Media  2008 GMC Sierra 3500 HD SLE

 
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car Vehicle Data

2008 GMC Sierra 3500 HD SLE

VIN 1GDJK39K58
Engine6.0 L / 8 cyl / GAS
Trans6-speed Automatic (Electronic)
DeliveryFuel Injection / EFI
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality, Misfire, MIL Lamp On
OccursIdle

Trouble Codes

P0300Multiple Misfire Detected
Message Closed

car Vehicle Data

2008 GMC Sierra 3500 HD SLE

VIN 1GDJK39K58
Engine6.0 L / 8 cyl / GAS
Trans6-speed Automatic (Electronic)
DeliveryFuel Injection / EFI
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality, Misfire, MIL Lamp On
OccursIdle

Trouble Codes

P0300Multiple Misfire Detected