Question about 1989 Ford Econoline

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Fuel is filling front tank from rear on 89 ford e150

When engine is running and the rear tank is in use, fuel runs to the front tank. I bought a diverter valve from auto parts store. can't find where it goes. in front of the front fuel tank is a part with 2 fuel lines from the engine and 4 lines to the tanks. it has no electrical wires running to it. it is the only thing like that i can find on the frame.

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  • thomas thompson May 11, 2010

    that is the valve 2 in 4 out

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Fords had this problem. I believe they actually had a recall notice about this problem. You have a fuel tank switch on the dash somewhere. This is where your problem is located. The switch has gone bad that switches from front tank to the rear tank. About $40.00 for the part.

Posted on Feb 09, 2009

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Hi:
I have had the exact problem on my ford truck, and fixed it. There is a tank feed shuttle valve mounted to the drivers side frame rail that is the most likely suspect. It operates by fuel pressure and when it fails, it fails so the front tank doesnt work.

It is worth mentioning that there are three fuel pumps on your truck, each fuel tank has a small low pressure pump inside the tank, and there is a high pressure pump located on the drivers side frame rail too, just before the fuel filter.

The front in the tank pump could be bad, too, but most likely the shuttle valve is the problem.

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