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2004 Hummer H2 6.0L Check engine light
Posted to GM Engine on 9/18/2013 7 Replies

Customer came in for Oil service with check engine light on scanned found P0300 for multiple random misfires, tried Crk re-learn. Code still came back tried a fuel flush. Check engine light went off for a while. Next time customer came in the check engine ligh...

7 Replies Received (View Replies)

  Related Documents & Media  2004 Hummer H2

 
Message Closed w/FIX

car Vehicle Data

2004 Hummer H2

VIN 5GRGN23U14
Engine6.0 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
AffectedCheck Engine Light
ConditionsMisfire
Message Closed w/FIX

car Vehicle Data

2004 Hummer H2

VIN 5GRGN23U14
Engine6.0 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
AffectedCheck Engine Light
ConditionsMisfire