Fuel Filter housing leaking down pressure? - Ford Powerstroke Diesel Forum
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Old 10-22-2011, 05:39 PM
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Fuel Filter housing leaking down pressure?

Today my truck started running bad, sounded like it's not getting enough fuel. Engine noise was a lot louder and huge loss in power. I noticed that when shut the engine off and waited a second, I could hear fuel draining back out of the fuel filter housing. Is that normal? I pulled the filter and there was only a small amount of fuel, unlike most times when I replace the filter. Could it be the Fuel Pressure Relief?

Last edited by BBseven.3; 10-22-2011 at 05:45 PM. Reason: Signiture
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Old 10-22-2011, 09:04 PM
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No fuel is ending up on the ground?
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Old 10-22-2011, 09:15 PM
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So when you pull the filter the bolw is very low? I would guess the housing is cracked. Like said above, any leaks?
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Old 10-22-2011, 11:25 PM
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No leaks, housing is dry on the outside. Yes when I pull the filter the bowl only has a small amount of fuel. After shutting the engine down you can listen over the filter housing and it sounds like the fuel is going back into the lines and air is filling the housing(bubbling sound).
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Old 10-23-2011, 04:36 AM
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Could it be the fuel pump? Because if I let it prime 3 or 4 times before I start it, it will run fine for a short period. Do you think thats where the fuel is going once I turn off the engine, its going back through the fuel pump.
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Old 10-23-2011, 10:02 AM
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I have to ask, is the tank full? I think you may be getting air in the system. Take the filter out and have someone crank it and see if you get a bunch of foamy fuel coming in.
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Old 10-23-2011, 10:08 AM
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Yes it was low on fuel, I just added fuel and another filter and while i was at it cleaned the exhaustback pressure sensor and pipe going to it. Drove it about 3 miles before it cleared up. Just got back from another run and she seems to be ok.

Thanks for all of yalls help.
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