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fuel tank selector not working?

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Old Feb 27, 2010 | 11:58 AM
  #1  
boots6868's Avatar
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fuel tank selector not working?

Ok guys im needing to pick your brains some more! 87 ford f-250 dual tanks. Front tanks reads right/ feeds motor fine. Switch to back tank nothing...fuel gauge still reads front tank still uses from front tank. Back tank is full of fresh fuel.

Where should i start? Thank you in advance!
 
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Old Feb 27, 2010 | 12:08 PM
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From: Mi'kma'ki
this should get ya going boots:
https://www.ford-trucks.com/forums/9...selector+valve
 
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Old Feb 27, 2010 | 12:24 PM
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From: Faibanks Ak.
I would start by checking all fuses, I'm not sure which one it is.
I would then check the connector for the fsv and make sure the power is switching, also not sure which wires it is so check them all and see what if any changes there are with the switch in both positions. It may be your fsv but I like to make sure before buying parts, especially since many replacement parts are inferior to what it comes with.
 
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Old Feb 27, 2010 | 12:51 PM
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anybody here had a f250 that spit diesel on their shoes during fill up? if you did or do, Ford recalled the tank selector valve because of that.
 
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Old Feb 27, 2010 | 01:00 PM
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From: Faibanks Ak.
I think they recalled it because it wasn't working. Not because of your shoes. lol
If the tank is full it would spit out, but if the pump is too fast or the vent is stopped up it will do the same.
 
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Old Feb 27, 2010 | 09:43 PM
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gumper 123
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My gauge did the same was a bad connection on the fsv
 
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Old Feb 28, 2010 | 12:12 AM
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this fsv.. is this located on the frame underneath?
 
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Old Feb 28, 2010 | 09:36 AM
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Yes it is located on the frame underneath, just follow the fuel lines to the front and you cant miss it.
 
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Old Feb 28, 2010 | 10:22 AM
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From: Faibanks Ak.
On the frame right behind the front corner of the front tank. Kinda in a stupid spot.
 
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Old Feb 28, 2010 | 12:20 PM
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Is this fsv something that is serviceable? or is it usually a throw away? Meaning can you remove it and flush out the ports, thump it on the work bench and get it working? or does it just pay to get the 6 port you guys speak of.
 
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Old Feb 28, 2010 | 12:34 PM
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From: Faibanks Ak.
If you are sure it is getting power switched from the dash switch and it doesn't work by cleaning the connections, use Joes hammer method to service it.
 
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Old Feb 28, 2010 | 01:34 PM
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From: Mi'kma'ki
lol star.
if you tested the voltage and know the connections are good,but she's not switching,then you will need to replace it.
be sure to test the voltage tho,because it could be your switch/fuse etc.
 
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Old Feb 28, 2010 | 01:49 PM
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From: Faibanks Ak.
LOL ford thats what I said just worded shorter and different.
 
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