Question about 1989 Ford F 150

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89 ford F150 4x4 302 stalls on exceleration.

This truck will run go on high or low idle . at the beginning of the excelertion it will start to pickup speed thin will drop off .then it will surge till it get to about 30mph.then it is fine till you slow down . sometimes it will die or it may go ahead and run.?

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  • pfleek Jan 10, 2009

    Reply for Johndragon fuel injected

  • djcshearer Jan 17, 2009

    I am currently getting ready to change the second fuel filter in my 89 F150. The only concern that I have is Where does the rubber O-ring set in the plastic container?

  • Hayward Cowan May 11, 2010

    Is the truck fuel injected or carburated?

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There are a couple of things you can check. Ford used two fuel filters on some vehicles, but you don't see much information about the one mount on the frame because they expect it to last for the life of the vehicle. The one of coarse is on the firewall and you probably changed that.
To find out if you have the second filter and it's more likely that you do than don't.
Look along the inside of the frame between your high pressure pump and the fuel tank[mine is where the skid plate that protects the transmission is located and I have to drop the skid plate to reach it] see if the fuel lines run into a round looking plastic box that is mounted behind a metal shield, if you see it you will need to remove the shield to reach it. It's necessary to unscew the canister and replace the cartridge which most auto parts stores carry.I found it easier to work on if I remove the fuel lines then took the filter unit out, but you may not have to.
Another thing you can check is the fuel pressure regulator. Especially if you have the vacuum type regulator, because the diaphram can develop a pin hole that leaks raw fuel into the intake manifold and cause alot of squirrelly problems. The leak can eventually become bad enough to fill the cylinders with raw fuel and lock up the engine because unlike air liquid can not be compressed.

Posted on Jan 10, 2009

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I suggest you refer the link below and follow its troubleshooting details:------

Click the link below:-----

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1 Answer

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Check the help link mentioned below to troubleshoot the problem: ------

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HIGH IDEL


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