HFCM help????????
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Senior User
Joined: Jun 2003
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HFCM help????????
I'm at work today and decided to remove the cover on the HFCM to clean it out due to the water fuel light staying on, but when removing the cover a black plastic piece fell out it is flat with two round sections on it each about and inch or so tall. Not sure which way it goes back in, along with the spring and plunger in the top of the HFCM Anyone have a exploded view of this or a basic ideal how the best way to put this back in? 
Cargo Master
Joined: Feb 2008
Posts: 2,862
Likes: 44
From: Tooele, UT
here you go! hopefully this will be of some assistance to ya! let me know if you need anything else!
https://www.motorcraftservice.com/pu...20/S3OMAIN.HTM
https://www.motorcraftservice.com/pu...20/S3OMAIN.HTM
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One more question, after getting the HFCM cover back on, I started the truck and let it idle for a few minutes to check for leaks, none found, so I shut it off and let it set for the rest of the afternoon and the night. This morning when I got in it to leave work it started fine and when I pulled out on the road it felt a little sluggish then I tried giving it more throttle and it would act as if it wasn't getting fuel but cleared up after a 1/8 mile or so and seem to run fine, could this just have been air in the fuel system from having the cover removed it drained a good deal of fuel out of the lines and HFCM while they were removed.
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Elder User
Joined: Jan 2004
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From: northern,california
Did You do the Key on engine off for 30 seconds and then key off for 15 seconds three times?
This is how to charge the fuel system.
This is how to charge the fuel system.
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Senior User
Joined: Jun 2003
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I cycled the key twice but not for that long of a period, just drove it again and was fine, So I'm guessing it was air, we will see after it sets for a day or so and make sure it doesn't bleed down.
Elder User
Joined: Dec 2007
Posts: 971
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From: IA MN SD
here you go! hopefully this will be of some assistance to ya! let me know if you need anything else!
https://www.motorcraftservice.com/pu...20/S3OMAIN.HTM
https://www.motorcraftservice.com/pu...20/S3OMAIN.HTM
Cargo Master
Joined: Feb 2008
Posts: 2,862
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From: Tooele, UT
i take that back its 96-08! there is also a link in the tech folder at the top of the forum! check out post #39
https://www.ford-trucks.com/forums/7...manuals-3.html
here is the link to the tech folder,
Ford Truck Enthusiasts Forums - View Single Post - Links to the online Superduty workshop manuals
we have bismic, ozx3+1 and PowerStrokeHD to thank for them. stop by and throw some rep points their way
https://www.ford-trucks.com/forums/7...manuals-3.html
here is the link to the tech folder,
Ford Truck Enthusiasts Forums - View Single Post - Links to the online Superduty workshop manuals
we have bismic, ozx3+1 and PowerStrokeHD to thank for them. stop by and throw some rep points their way
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