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2004 GMC Sierra 2500 HD SLE 6.6L Lack of Power
Posted to GM Driveability on 9/30/2005 8 Replies

Hello all, this vehicle came to us with lack of power it will not go above 60kph, speedometer does not operate, but vss is reading properly. No codes in unit runs well at idle and above idle to 2200rpm then falls on its face. The engine in park will go to 2200...

8 Replies Received (View Replies)

  Related Documents & Media  2004 GMC Sierra 2500 HD SLE

 
Message Closed w/FIX

car Vehicle Data

2004 GMC Sierra 2500 HD SLE

VIN 1GTHK29154
Engine6.6 L / 8 cyl / DIESEL
Trans5-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsLack of Power
OccursUnder Load, on Accel
Message Closed w/FIX

car Vehicle Data

2004 GMC Sierra 2500 HD SLE

VIN 1GTHK29154
Engine6.6 L / 8 cyl / DIESEL
Trans5-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsLack of Power
OccursUnder Load, on Accel