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Tom H
Tom H 1/19/2011
2000 GMC Sierra 2500 SL 8Cyl6.0L - Transmissions & Drivetrains
Truck drivetrain seems to drag and vibrates slightly at medium speed under a load. It is noticable as power loss.
Over 140,000 miles, Engine and trans are at normal operating temps. going down the road at medium speed. occasonaly happens Accelerate and the vibration goes away. Seems like something in drive train is dragging and sometime seems as if the front wheels do a 4 WD hop or grab in a turn. The fuel milage has dropped. Did a tune up recently and then had an exaust sensor failure code on all 4 sensors. Replaced plug wires, Reset and have not had another since. Overall the vehicle just seems to have a drag.
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