My HFCM looks different
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Posting Guru
Joined: Oct 2006
Posts: 1,693
Likes: 7
From: Francestown, NH
My HFCM looks different
I was changing my primary fuel filter today and I noticed it didn't look exactly like I had remembered it just a few moments ago when I reviewed it in the 2003 6.0L Bible.
Here is a side by side of my HFCM and the image from the bible. It looks like mine doesn't have the item marked as 'Fuel Heater'.
My truck is a 2003 & I've never had a problem with cold weather.
I looked and didn't find a harness looking for a home.
Any ideas? Do I have a different HFCM?
Thanks.
Here is a side by side of my HFCM and the image from the bible. It looks like mine doesn't have the item marked as 'Fuel Heater'.
My truck is a 2003 & I've never had a problem with cold weather.
I looked and didn't find a harness looking for a home.
Any ideas? Do I have a different HFCM?
Thanks.
Hotshot
Joined: Dec 2003
Posts: 15,368
Likes: 121
From: Stuttgart, Ar
Looks like the pump and harness might have been replaced at some point. The heater was done away with on the later models and possibly the harness was replaced too. Are you the original owner?
Lead Driver
Joined: Mar 2010
Posts: 5,505
Likes: 256
From: Woodbridge, Ontario, CA
That's because your HFCM and harness have been replaced at some point in time. Ford deleted the fuel heater on these trucks beginning in the 2006 model year for a couple of reasons. It was speculated that the heat of compression was sufficient for heating up the fuel entering the combustion chamber, not to mention the chemical reaction to the element in close proximity to the water separator. This would eventually lead to other issues, and thus it was deleted on the newer trucks.
Thread Starter
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Posting Guru
Joined: Oct 2006
Posts: 1,693
Likes: 7
From: Francestown, NH
I bought it with 101,000 miles. Now it's got 213,000 so I guess I'll leave it alone.
Thanks for the replies!!
Thanks for the replies!!
I'm hitting easy street
Joined: Nov 2009
Posts: 6,395
Likes: 27
From: Central Oregon
Just curious.
Don't mean to hi-jack.
Lead Driver
Joined: Mar 2010
Posts: 5,505
Likes: 256
From: Woodbridge, Ontario, CA
If the fuel heater were to short out, it would blow a fuse and shut down the PCM, just to name one of them. Fuel heater shorts were most common on 7.3L trucks.
I'm hitting easy street
Joined: Nov 2009
Posts: 6,395
Likes: 27
From: Central Oregon
Thanks, I'll keep that in mind.
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