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#1 | |
AF Newbie
Join Date: Jul 2017
Location: Levelland, Texas
Posts: 1
Thanks: 0
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Loss of power under a load
I have a 1999 GMC Jimmy, Going down the road it does fine. But, when it has to go up a slight hill or a big hill, It starts to trip all over itself. I pulled the fuel filter, good flow and clean. Cleaned the MAS still nothing. Replaced the Cat. Converter, still nothing. Replaced the MAS and still nothing. Can you tell me What else I can check or fix to get rid of this problem?
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#2 | |
A990 racer
![]() Join Date: Mar 2002
Location: Chestertown, New York
Posts: 16,966
Thanks: 25
Thanked 373 Times in 367 Posts
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Re: Loss of power under a load
Basics, how much fuel pressure?
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