No fuel in upper filter???
Lead Driver
Joined: Sep 2007
Posts: 8,180
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From: Scio, OR
Are you using either Motorcraft or Racor filters, replacing the o-rings with each change, and lubricating the o-rings with motor oil before installing the cap?
You might check the lib of the cap where the o-ring sits, and the lip of the housing where the o-ring sits for any sign of damage or sharp edges. Also check the o-rings you've removed for damage.
You might also check both caps over very carefully for any signs of cracking.
You might check the lib of the cap where the o-ring sits, and the lip of the housing where the o-ring sits for any sign of damage or sharp edges. Also check the o-rings you've removed for damage.
You might also check both caps over very carefully for any signs of cracking.
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New User
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Ok i will check the O ring again and let you know.I am using motor craft filter and a new o ring too.
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Lead Driver
Joined: Sep 2007
Posts: 8,180
Likes: 669
From: Scio, OR
2004 does have a fuel heater. If all of the o-rings check out, unplugging it would worth a try. I was trying to figure out which of the three connectors on the HFCM is the fuel heater, without much luck.
I would also check for power on the fuel pump plug. But again, I'm not sure which connector that is.
I would also check for power on the fuel pump plug. But again, I'm not sure which connector that is.
Post Fiend
Joined: Jul 2005
Posts: 6,127
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HFCM, think it is the plug at the very back is the heater.
Power... verify fuel pump power... YOu didn't do that?
DO you hear the pump churning on Key on?
After you get it running, if that is what it is, be sure you grease the contacts, then tape it shut to prevent it from rusting assuming you are leaving it unplugged.
Power... verify fuel pump power... YOu didn't do that?
DO you hear the pump churning on Key on?
After you get it running, if that is what it is, be sure you grease the contacts, then tape it shut to prevent it from rusting assuming you are leaving it unplugged.
Lead Driver
Joined: Sep 2007
Posts: 8,180
Likes: 669
From: Scio, OR
I think the next thing I would do is to check for power on pin 1 of the fuel pump connector. There should be power there for about 15 seconds after the key is turned to the run position and then the PCM will shut it off. There will only be power right after key on and when the engine is running.