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I have a 1988 Ford f350 5.8 with two fuel tanks. Only my rear tank works. But also my selector switch on dash is not working and replace the switch and now the truck won't run for more then 15 minutes

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  • 194 Answers

Maybe the wrong selector switch

Posted on May 09, 2014

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Posted on Jan 02, 2017

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SOURCE: Fuel Tanks reversed , Gauge not reading?

The Ford trucks were recalled for the tank switch replacement. Somehow the switches would pump fuel from one tank to the other. This would cause the one tank to overflow and or result in a fire from hot exhaust temps coming into contact with the fuel. Check the dash tank switch. It is probably bad.

Posted on Mar 12, 2009

Monster80
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SOURCE: where is the fuel tank selector valve exactly located

Just in front of the side tank is the selector.Very common problem.The rear fuel tanks pump quits.

Posted on Mar 30, 2009

  • 398 Answers

SOURCE: fuel gauge not working

yea fords with two tanks are known for getting stuck if you dont switch the tank constantly. you have to get to the valve that switches the two tanks, and free it up. it definitley isnt anything but the valve.

Posted on Apr 01, 2009

  • 335 Answers

SOURCE: 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

Posted on May 16, 2009

  • 1 Answer

SOURCE: 85 E350 Ford not switching from Fnt to RR fuel tank

85 ford 350 econoline van with 460 engine and duel tanks, lost prime on both tanks, cannot get gas up to inlet on carb, it happen after having shot work on vaccum lines, i can't hear the pumps in the tanks making a buzzing noise, i hear a click when i switch from front tank to the rear tank , somewhere under the hood, on the driver side front fender, what is the next step.

Posted on Oct 07, 2009

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1 Answer

1988 Ford F250 Truck, 460 automatic, dual tanks. I have no power to rear fuel pumps. Any suggestions?


Have you checked the control switch that powers each tank ? Some models use a mechanical selector valve and others use an electrical switch to control which tank is being used. Both tanks run off of the same fuel pump relay.

Feb 18, 2015 | Ford Cars & Trucks

1 Answer

Fuel Gas Tank Reservoir Selector Valve leaking when using front tank


The seal in the selector valve is bad on the front side.
Replace the valve or rebuild it.
Disconnect the battery ground cable before doing any work around gasoline.

May 01, 2014 | 1988 Ford F 250

2 Answers

1988 ford e150,,fuel tank selector valve.. When i


There was a recall of sorts on the switching valve under the truck. You'll probably need to have it replaced. don-ohio

Sep 13, 2011 | Ford E-150 Cars & Trucks

2 Answers

Where would the fuel tank selector valve be located at in a 88 ford f250 be at?


the selector is located between the two tanks and has 3 or 4 fuel lines connected to it as well as wires if its an electrical switch.some had a manual switch which is usually behind the front seat on the floor that switches the tanks from one to the other when turned.

Apr 29, 2011 | 1988 Ford F 250

1 Answer

1987 ford f150 dual fuel tanks fuel qty gages inop.fwd tank reads empty and when aft selected reads full.


tank switch on dash could be bad, also selector valve could be bad. are the fuel gauges accurate front or rear. like you say the rear reads full, is it?? I would try the switch on the dash first.

Sep 17, 2009 | 1987 Ford F 150

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

Where is the fuel tank selector valve exactly located


Just in front of the side tank is the selector.Very common problem.The rear fuel tanks pump quits.

Mar 30, 2009 | 1995 Ford F150 Styleside Regular Cab

2 Answers

When I switch from my front fuel tank to my rear tank gas stops


There is no selector valve on a 1995 ford f150 300 engine. The selector switch on the dash sends power to the pump in the selected tank. The pump then sends fuel to the engine. If engine won't run on the selected switch, the pump in that tank needs replaced.

Mar 28, 2009 | 1995 Ford F150 Styleside Regular Cab

1 Answer

Fuel Tanks reversed , Gauge not reading?


The Ford trucks were recalled for the tank switch replacement. Somehow the switches would pump fuel from one tank to the other. This would cause the one tank to overflow and or result in a fire from hot exhaust temps coming into contact with the fuel. Check the dash tank switch. It is probably bad.

Mar 12, 2009 | 1985 Ford F 250

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