Ford 2 tanks

Tiny
AMCC81
  • MEMBER
  • FORD F-150
93 f150 I6 8'bed with the auxillary tank. I replaced the rear tank as both tanks leaked. I was going to only use the rear tank but now the rear tank pumps into the front one. Is there a check valve on the front tank supply line? I noticed that both tanks supply and return into a common fuel block so this is the only out come I can think of since I didnt touch the front tank or set up im guessing a check valve failed. Any suggestions PLEASE
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Tuesday, February 27th, 2007 AT 5:33 PM

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Tiny
JACK42
  • MEMBER
There was a Dealer installed check valve, part of an ongoing problem. If there is a fitting on the top of the tank that plugs onto the tank unit, then the fuel line plugs onto it, I have cleaned them out before, debris will stick them open. If you dont have the check valve, try Ford, but we havent been able to get them for a while now. If no valve, you will have to replace the fuel pump
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Wednesday, February 28th, 2007 AT 8:05 AM

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