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2004 GMC Sierra 2500 SLE 6.0L Misfire
Posted to GM Engine on 8/30/2013 16 Replies

Came in with a P0300. checked it with the tech2 and ended up changing the MAF(gm part) changed spark plugs and wire set ac/delco. Still had a P0300 with all the misfires on the left side of the motor. Changed the wire harness to the coil pack on the left side....

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  Related Documents & Media  2004 GMC Sierra 2500 SLE

 
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car Vehicle Data

2004 GMC Sierra 2500 SLE

VIN 1GTHK23U04
Engine6.0 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
AffectedMisfire
Conditions2300 RPM- Up
Message Closed

car Vehicle Data

2004 GMC Sierra 2500 SLE

VIN 1GTHK23U04
Engine6.0 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
AffectedMisfire
Conditions2300 RPM- Up