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2003 GMC Sierra 2500 HD Question: i have a 2003 gmc sierra 2500hd 6.0 when driving running at reduced power

 

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omar000, Duluth, MN, April 11, 2013, 08:21
 Rookie

the truck will run at reduced power and show the same on disply shut tr off and re-start and will run fine until it does it again is not aheating problem.thank you

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