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1999 Ford F-250 4X4 Diesel - fuel leak only at idle?

Tiny
ARTISTRYCHIC
  • MEMBER
  • 1999 FORD F-250
:( Howdy ya'll, new to this computer thing. I have a 1999 Ford F250 Super Crew 4X4 Diesel that it leaking quite a bid of fuel when you start it, but as soon as it's put into gear to drive the leak slows to a drip and then stops immediately.I'm planning on taking my family from Southern Cal to Utah at Christmas and need to get this repaired. Any idea what this might be?
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Monday, December 4th, 2006 AT 2:25 PM

6 Replies

Tiny
BRUCE HUNT
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  • 3,753 POSTS
I assume that the dripping is coming from the engine area? You need to look under the hood to find where the leak is coming from. It could be connections of the fuel line, it could be the fuel filter cover, or any number of other things.
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Monday, December 4th, 2006 AT 3:05 PM
Tiny
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It looks as though its coming from a 'yellow" valve near the fuel filter, and also it looks like the fuel line just slips in. There is no clamp on it. Do you know how it is tightened or should there be a clamp?
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Monday, December 4th, 2006 AT 3:16 PM
Tiny
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I will look at it tonight when I go home.
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Monday, December 4th, 2006 AT 3:25 PM
Tiny
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There is nothing on my 2000 7.3 diesel like what you are talking about. If indeed your leak is coming from that item, can you see whether it looks like a clamp would fix it or is it threaded? Usually the fitting of the fuel lines are metal lines that are compression fittings. So is there a nut that you can see on that line?
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Monday, December 4th, 2006 AT 5:04 PM
Tiny
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I talked to my dad in Utah, he said that possibly the "fuel separator valve" is leaking. Unsure if that is the valve I'm talking about, does that make sense? Do you know, what the fuel separator valve is? He said it separates the water from the fuel and sometime under extreme weather conditions will fail and leak.
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Monday, December 4th, 2006 AT 5:09 PM
Tiny
BRUCE HUNT
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I think what I would do if I was you is this. Ask yourself if you would do the repairs? If the answer is yes, take it to the auto parts store and have them look at the part in question and they can advise on getting the part. If the answer is no, you can take it to the repair shop and point to the leak. Either way I trust you are going to get the item repaired and have a great trip to visit for Christmas. Merry Christmas!
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Monday, December 4th, 2006 AT 5:17 PM

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