fuel pump or fuel filter???
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New User
Joined: Apr 2010
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fuel pump or fuel filter???
Heres the deal... I have a 79 F150 4x4... The truck is cold natured which is understandable, especially on cold mornings... But when I get er cranked up almost every time after I shift from Park to Drive and press my foot to the gas she will cut off and after another try or two she finally gets going. This will happen if I am driving it as well... Like Ill be doin I dunno, 45 and when I come to a stop sign, I obviously stop. Then Ill press my foot to the gas and if I dont give just enough shell go out, or atleast want to unless I hit the gas just right....... Any thoughts? Fuel filter or fuel pump maybe? Thanks
Freshman User
Joined: Oct 2010
Posts: 46
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yep the accelerator pump,first thing i changed out on mine,i noticed0 right away the shaft was froze up,previous owner( my father-in-law) said he had a mechanic fix it but it still had hesitation on acceleration,when i took it apart i noticed that it was installed backwards,and that is why it froze up it was never actually being depressed by the throttle linkage.
Posting Guru
Joined: Feb 2007
Posts: 1,735
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From: Wingo, Ky
We were never told if this occurs when the engine is at operating temp or not.
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New User
Joined: Apr 2010
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it happens if the engine is both cold and after ive been driving for a while... whenever i come to a stop and go to accelerate again I can just feel it starting to go out on me.. Ive got it now where I know the truck good enough so I know exactly how to press the accelerator... Is the accelerator pump something thats relitivley cheap and easy to switch out? Im not the most mechanically inclined person that there is... I just started working on the truck, and even though it was pretty easy I switched out the starter last week and was pretty proud of myself, LOL... hahhaa. I appreciate all the input and ideas btw
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Cargo Master
Joined: Apr 2009
Posts: 3,038
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From: South west Idaho
I have had it happen on a lot of my fords thoughout the years.Not hard to fix most of the time, I get used to driving them and ignore it for as long as 2 or 3 years. I have bought rebuilt carbs with it doing it from the start, those I take back . After about 2 or 3 of them I will find a good one If I'm lucky.