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Thread: Ford Diesel Fuel Odor

  1. Print this Post   #1
    Join Date
    Dec 2009
    USA - VA

    Ford Diesel Fuel Odor

    I own a 2004 F-250 diesel. Recently have started noticing the smell of fresh diesel fuel. Seems to be worse on cold days. Any idea what might be causing it?

  2. Print this Post   #2
    Past Arkansas Chapter Leaders
    Join Date
    Sep 2007
    USA - AR

    Hey Stix -n- stamper,
    Had a similar issue with my 7.3, If you climb up with a flashlight look into the sump area between the valve covers and you may see some fluids if so that may be the area of question, you may have a blown seal, took mine to a local tech. and he had it up and running in no time for around $100.00, and no problems since.
    Good luck,
    Mike and Betty Tovar
    2009 Landmark Augusta
    Member #1064
    Member of the Arkansas Diamond Chapter
    Good Sam's Life Member
    Tow vehicle
    Ford 2001 F-350 Platinum Edition "Custom"
    7.3 Power Stroke

  3. Print this Post   #3
    Senior Member hcriddle's Avatar
    Join Date
    Mar 2009
    USA - TX


    Had the same thing a couple of weeks ago on my 2002. My mechanic said it is a valve that the low sulpher diesel eats up. Cost $90 to replace the valve.
    Buddy & Maureen Riddle
    Retired Houston PD
    02 Ford F250 7.3L Diesel
    02 Harley Davidson Electra Glide Classic

    6 South Texas Chapter Rallies, 1 North Texas Chapter Rally, 1 South Texas Meet and Greet, Donna, TX
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  4. Print this Post   #4
    Senior Member jnbhobe's Avatar
    Join Date
    Feb 2008
    USA - PA

    As Mike said, look at the rear of the motor on top in the right rear corner for a dripping leak. off the inside of the canister. I have had a switch leak and check the silocone hoses there too. Not a fun job but mine were on E-350s, Vans are a lot harder than trucks
    Patti & Jon Holbert
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  5. Print this Post   #5
    Nevada-South Chapter Leader
    Join Date
    Mar 2008
    USA - NV

    Fuel leak

    It is probaly a bad o ring on the pump. It is on the front top of the engine over the water pump in the galley between the heads. It an easy fix, jist a pain to get toan take everthing off to get to it.

  6. Print this Post   #6
    Senior Member
    Join Date
    Sep 2009
    USA - NE

    Check your fuel filter gasket. Cant put the old one back in so have a new filter/gasket ready. Check to be sure the drain is fully closed and not leaking as well.

  7. Print this Post   #7
    Join Date
    Dec 2007
    CAN - ON

    Not sure if this will help but you can have a look at this site:

  8. Print this Post   #8
    Join Date
    Dec 2009
    USA - VA

    thanks for all the info. will check it out. notice the odor is only present on very cold days.

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