Bucking under accelaration
Fleet Owner
Joined: Apr 2008
Posts: 24,322
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Unlikely...yet, seeing as the CEL hasn't turned on or isn't blinking.
Just having re-read the initial post, I'm also going to suggest that this might just be a dirty fuel filter since it's only happening during acceleration.
Just having re-read the initial post, I'm also going to suggest that this might just be a dirty fuel filter since it's only happening during acceleration.
Fleet Owner
Joined: Apr 2008
Posts: 24,322
Likes: 5,132
From: 0,0,1
Bucking during acceleration, (besides a misfire), can be caused by insufficient fuel flow. That is why I first mentioned the filter. But since the filter is new, the pump is the next in line of suspected components. Some auto stores like Autozone rent the fuel pressure tester for free. You pay for it and get all of your money back when you return it. If you have such a place near you, get the tester and see if you have 55 PSI at idle.
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rickeylipham
1987 - 1996 F150 & Larger F-Series Trucks
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Apr 13, 2008 10:01 PM
