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2003 Hummer H2 6.0L Misfire
Posted to GM Driveability on 12/29/2005 8 Replies

Hi all,

Thanks in advance for any help, this Hummer H2 is misfiring on bank 2. Cylinders 2,4,6,8 are showing misfires on our scan tool and this vehicle runs like it too. The fuel pressue is 55 lbs. the compression is 125-130 lbs all the way across, we have s...

8 Replies Received (View Replies)

  Related Documents & Media  2003 Hummer H2

 
Message Closed w/FIX

car Vehicle Data

2003 Hummer H2

VIN 5GRGN23U43
Engine6.0 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsMisfire
OccursAlways

Trouble Codes

P0300Multiple Misfire Detected
Message Closed w/FIX

car Vehicle Data

2003 Hummer H2

VIN 5GRGN23U43
Engine6.0 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsMisfire
OccursAlways

Trouble Codes

P0300Multiple Misfire Detected