I smell fuel in cab when sitting at idle - Ford Powerstroke Diesel Forum

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post #1 of 12 Old 09-09-2007, 03:06 PM Thread Starter
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I smell fuel in cab when sitting at idle

2005 Powerstroke. Had Edge Juice w/Attitude, otherwise stock. Smelling fuel smell coming through A/C vents when at idle at a stop. Intermittent. Happended last summer. Started up again a month ago. This time much worse. One dealer couldn't find anything wrong. I called around and another dealer says its a cracked "Y" pipe. I took the Edge out to take it to the dealer and it stopped, but has come back lightly now without Edge. Has anyone else had this issue? I have not had the "Y" pipe checked yet, but don't want to go in and let them chase ghosts. Any advice appreciated on anything else I can have them check. Don't see any signs of fuel leaks on garage floor.

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Last edited by cwright34; 09-09-2007 at 03:22 PM.
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post #2 of 12 Old 09-11-2007, 01:18 AM
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bump for some help with fuel system

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post #3 of 12 Old 09-30-2007, 04:38 PM
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Yup, I've noticed the fuel smell too. It's like there's a bit of diesel on the carpet. It's not the smell of exaust but of unburned diesel. It's only intermittent too. So I have the smell of diesel AND coolant. My truck is starting to smell like my grandad's garage.

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post #4 of 12 Old 10-01-2007, 12:09 PM Thread Starter
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WTexasRN - Think it has something to do with being in Texas? Sounds silly, but it happened last year in August and when I went out to West Texas. It hasn't done it in a few weeks now that the weather has cooled off a few degrees. Last time it did it was when I went out to Throckmorton a few weeks ago. Just a thought...

I spoke with a mechanic this weekend that used to be with a local Ford dealer. He said that it is most likely a leaky injector, not the Y pipe. He said not to worry about it if it wasn't smelling any more. It is irritating, though.

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post #5 of 12 Old 10-01-2007, 06:27 PM
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Oh, at first I thought you were going to say West Texas always smells like that heh heh heh....... But diesel smells much sweeter than crude oil which is a common odor out here.

Truth is I've also noticed it when I was in places other than W. Texas and it's rare but, you're right; it is irritating and a little embarassing when your D-Max owner father-in-law is riding with ya.

Thanks for the reply.

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post #6 of 12 Old 02-29-2008, 06:38 AM
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I have a 98 F250 power stroke & am getting diesel fuel smell thru A/C vents. Don't see any fuel leaks that are obvious in the engine bay. Not sure where the air gets sucked into the vents. Could a leaking fuel filter do this?

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post #7 of 12 Old 02-29-2008, 07:20 AM
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I was getting the smell too. When they did the head gaskets, they replaced the "Y" pipe but there is a TSB for that concern. The TSB says to install exhaust manifold gaskets. I had them installed on my truck and the smell went away. Just a thought. Hope you guys get it fixed.

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post #8 of 12 Old 02-29-2008, 10:40 AM Thread Starter
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Fuel Smell in cab

I found out this was the fuel filter. I had them replaced and made sure they replaced the o-rings when they did. This solved the problem and made the darn thing run better!!

Good luck.

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post #9 of 12 Old 02-29-2008, 11:41 AM
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Glad it fixed the problem.

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post #10 of 12 Old 02-29-2008, 12:10 PM
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i had the same smell on my 2000, it ended up being the fuel drain valve on the back of the fuel filter housing, its all plastic and the O-rings go to crap on the valve and they will leak oil, thats what it ended up being on mine. and i could smell diesel fuel when ever i had my heater on or anything of that order. you might check that

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