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Powerstroke Fueling Problem

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Old Dec 16, 2013 | 10:22 AM
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Powerstroke Fueling Problem

Hi all,
I just bought a 1995 Ford F-250 Powerstroke, and it is having a fueling problem where it will suck the filter bowl dry sometimes. If I switch tanks or fiddle with the selector switch the light will go off and it will drive fine for a while. Someone mentioned to me that there might be a problem with the screen/filter assy in the tank but does it make sense for both tanks to be having this problem? My thoughts were maybe the selector valve getting stuck in between modes or maybe some clogging going on in there. Any similar problems or known problems that would cause this
Thanks in advance
 
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Old Dec 16, 2013 | 07:51 PM
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Subscribed. Interesting problem
 
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Old Dec 16, 2013 | 08:50 PM
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Could you explain what this means: "it will suck the filter bowl dry sometimes."? I can't picture the "filter bowl."

How does the motor run when this happens?

Roy
 
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Old Dec 17, 2013 | 07:15 AM
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I wonder if the lift pump is failing.
 
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Old Dec 17, 2013 | 08:46 AM
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The fuel filter housing is dry when the problem occurs if I don't switch tanks it will sputter out and die, the first thing I thought of was the lift pump but the po changed (my guess to try to rectify this problem) and if it was the lift pump why would switching tanks smooth the problem out for a while
 
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Old Dec 17, 2013 | 10:34 AM
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Originally Posted by irhunter
Could you explain what this means: "it will suck the filter bowl dry sometimes."? I can't picture the "filter bowl."

How does the motor run when this happens?

Roy
the power strokes how a Filter Housing that a cartridge filter sits in then a lid goes on. It is NOT like an IDI that has a screw on filter
 
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Old Dec 17, 2013 | 11:20 AM
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Originally Posted by Diesel_Brad
the power strokes how a Filter Housing that a cartridge filter sits in then a lid goes on. It is NOT like an IDI that has a screw on filter
Thanks. Now I recall. I have done some repair and maintenance on PSD, but it has been a while. They have electric lift pumps?

I expect the OP will be better off posting on the PSD part of the forum.

Roy
 
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Old Dec 17, 2013 | 08:15 PM
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Originally Posted by irhunter
Thanks. Now I recall. I have done some repair and maintenance on PSD, but it has been a while. They have electric lift pumps?

I expect the OP will be better off posting on the PSD part of the forum.

Roy
94-97 PSD have a cam driven lift pump. 99+ 7.3s have a electric pump
 
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Old Dec 17, 2013 | 09:18 PM
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Originally Posted by Diesel_Brad
94-97 PSD have a cam driven lift pump. 99+ 7.3s have a electric pump
Thanks. How hard would it be to by-pass the fuel-selector valve and run off just one tank (since the OP feels the problem could be in the valve) as a test?

Roy
 
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Old Dec 18, 2013 | 07:24 AM
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I can do that but would have to cut hoses and didn't really want to do that, think I might drop the front tank today and if that looks good the selector valve will be much easier to get to
 
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Old Dec 18, 2013 | 08:50 AM
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I current guess: intermittent air leak in the valve. Hard to picture what that would look like, however.

Remove valve, plug outlet, pressurize valve, add 12v to switch from tank to tank, look for leaks??????

Roy
 
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