Question about 1987 Ford F 150

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1987fordtruck150newfuelpumps no fuel 2 rail daul

1987fordtruck150 new fuel pumps no fuel 2 rail duel tanks but no front tank, only have a rear tank. pumps working.

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You stated new pump installed? fuel filter could be plugged from old pump going out.

Posted on Jun 21, 2009

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1 Answer

Why is fuel flowing from front tank to rear tank on the truck that has duel fuel tanks and both tanks are working


I'm not sure but I remember something about a recall or tsb on the one way valve in the fuel line.

Jul 02, 2015 | Cars & Trucks

2 Answers

1987 f150 302 the truck runs only on front tank, but it pumps the tank into the rear tank then the rear tank overflows and you run out of fuel in the front, need a cheap quick fix to get through until the...


it sounds like the switching valve is no good and needs replacing.you can clamp off the fuel hose to the rear tank and just run off the front tank until you can get it repaired.

Apr 10, 2011 | 1990 Ford F150

1 Answer

Duel fuel tanks


you will need to replace the front intank fuel pump. the check valve in the pump has failed and the rear pump is pumping fuel into other tank ,

May 13, 2010 | 1989 Ford F 150

1 Answer

I can't get the fuel to the engine from rear tank only


Does this have three fuel pumps? One in each tank and one on the frame rail. I know it at least has one in each tank. It doesn't have an electric switch valve. It has a mechanical one that makes sure the fuel returns to the right tank. When you flip the tank switch the power switches to the pump in the other tank.

Sep 02, 2009 | 1992 Ford F250

1 Answer

Front fuel tank will not work


You have duel tanks with a fuel pump in each tank. You also have a fuel pump on the frame rail after the "tank selector". This device only holds a fuel filter that protects the main fuel pump. When you select front or rear tank on the dash, you are selecting which in tank fuel pump will operate. You can check the in tank fuel pump by listening for it to "humm" when the key is turned on..The in tank pumps only feed the main pump and cannot run the engine on their own. Hope this helps

May 16, 2009 | 1989 Ford F 150

2 Answers

Fuel tanks not switching


the valve is on the inside of the frame rail drivers side about middle of truck.

Mar 01, 2009 | 1988 Ford F 250

2 Answers

My 1997 F250 has duel gas tanks. After a few days of being parked, I went to start it and it would not start. I switched to the rear tank and it started. I have a Haynes repair manual covering the 1997...


I would start by checking you switch for the tanks to make sure it is working right and if the front tanks fuel pump does not work after you check the switch I would get a 12 volt electrical test light and see if your getting power to the front fuel pump if your getting power to it I would say you have a bad pump . But some times the pump will run but the diaphragm gets weak in them.

Feb 24, 2009 | 1997 Ford F250 SuperCab

2 Answers

F 250 WONT STAY ON


If your front tank was much less than 1/2 full you may have a bad pump in the front tank. each tank has a low pressure pump that feeds the high pressure pump on the frame rail. If the pump in the tank is bad, the high pressure pump will draw gas from the tank (especially the front tank) until the tank get below 1/2 full then it loses its prime and the engine will stall. Try disconnecting the electrical connection at the high pressure pump on the rail and then cycle the key on and off and see if you can detect the tank pump running or not.

Oct 12, 2008 | 1989 Ford F 250

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