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93 6.5l turbo diesel

3K views 10 replies 5 participants last post by  mheard3036 
#1 ·
I have a gmc sierra 2500 6.5l turbo diesel i have just recently been having a problem with what i think may be fuel dilivery and I have changed my fuel filter that was my first though any way its mostly when Im going up hill and at about 30-35 mph I have a huge loss in power and the truck sputters and hardly makes it up, any idea?im new to diesel but am doin my best to learn it and figure it out
 
#3 ·
I had thought about that but it runs fine under 35 and its not all the time also I checked my headers with a temp gun and they are all putting out about the same however I will pull them and check them to be sure I really apprishiate the imput thanks
 
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