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2005 GMC Sierra 2500 HD SLE 6.6L Hesitation, Misfire
Posted to GM Driveability on 4/5/2016 10 Replies

The vehicle will feel like it is misfiring between 45 MPH and 55 MPH between 1350 RPMs and 1500 RPMs with slight throttle increase. It will not misfire in the bay, and I can throttle through 1500 RPMs and it will stop. The vehicle has no other symptoms that I ...

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car Vehicle Data

2005 GMC Sierra 2500 HD SLE

VIN 1GTHK23275
Engine6.6 L / 8 cyl / DIESEL
Trans5-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsHesitation, Misfire
OccursUnder Load, Intermittently
Message Closed w/Summary

car Vehicle Data

2005 GMC Sierra 2500 HD SLE

VIN 1GTHK23275
Engine6.6 L / 8 cyl / DIESEL
Trans5-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsHesitation, Misfire
OccursUnder Load, Intermittently