Intermitent fuel pump
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Joined: Oct 2004
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Intermitent fuel pump
I have a 1988 F150 6 cyl 300. i have a fuel pump prob. it seems to be intermitent. i just changed the relay and the pump did have good pressure and no noises. then it stoped running. then started again now stopped again? has anyone had this problem? and if so what the heck is the prob and how can i fix it as it is really agravating. thank you
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Joined: Sep 2004
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I had something similar to this happen to my 88 f250, I finally resolved the problem by simply changing the high pressure fuel pump mounted on the frame rail under the drivers seat. You might also want to check the fuel pressure regulator.
Rob
Rob
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Joined: Mar 2002
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From: Bonita Springs FL
If that's supposed to mean Panzer Driver, cool name. 
As for the fuel pump problem, I doubt replacing the pump will solve the problem, and it's expensive. I would check all the wiring for the fuel pump circuit. When it dies, check various places along the circuit until you find the break. My guess is a broken/corroded wire that occaisionally won't let the pump run.
As for the fuel pump problem, I doubt replacing the pump will solve the problem, and it's expensive. I would check all the wiring for the fuel pump circuit. When it dies, check various places along the circuit until you find the break. My guess is a broken/corroded wire that occaisionally won't let the pump run.
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