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Repair guides and support for the seventh generation of Ford F-Series trucks. Models include the F100 (discontinued in 1983), F150, F250, F350, and others.

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Why is it overloading with fuel

Overloading with fuel

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Wyatt wells, what exactly does this "Overloading with fuel

" mean? Overloading where? How? what Ford? what Engine? You need to add a lot more detail in order to expect an even half decent answer

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If this is an older ford truck it probably has a carb with stuck floats . easy solution is to tap the carb with a hammer till the floats release and shut the fuel off when the float bowels are full this is caused by corrosion in the float pins by ethanol based fuel. If this is not your problem be more specific with your question.

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If you have dual tanks I assume you are talking about, usually, the front tank overflowing when you remove the gas cap. It seems to happen with either tank but the front tank is more common.

There is an automatic selector valve mounted on the inside of the frame right about at the driver door. It switches internally between tanks with no electrical input of any kind. There are electric fuel pumps in each tank and the the valve switches internally by pressure from whichever tank you have selected on the dash switch. This unit malfunctions and instead of routing return fuel to the same tank you have selected it returns to the opposite tank overfilling it. The valve is kinda hard to come by and is expensive to replace. You cannot get one at your local auto parts store (no matter what they say) it's a dealer item only...if they can get it. Last I looked it was around $200.00.

You can replace the unit with an electrically operated one for less than $100.00 but you must do some re-wiring, replace some fuel lines and adding in filters to accomplish it.

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Would it be possible to marry the two tanks by combining input flow from both tanks to the single line to the engine, and separate the return to both feeds to the tanks? I have a dirty rear tank and need to drop it to flush it. I was wondering if when i do that, i can reinstall it and just bypass the whole thing. I just dont know if it would cause too much fuel pressure :/

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