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Fuel won't stay in the bowl after 4 hours.

Discussion in 'Trucks [ Eighteen Wheelers ]' started by freightrunner, Jun 15, 2012.

  1. Jun 15, 2012 #1
    freightrunner

    freightrunner Heavy Load Member

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    Mar 25, 2012
    Georgia
    0
    After 4 of being off hours my truck wont start. I noticed the fuel wasn't staying in the bowl so i replaced the fuel filter but it didn't stop it? Any idea of what it is?
     
    freightrunner, Jun 15, 2012
    freightrunner, Jun 15, 2012
    #1
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  3. Jun 15, 2012 #2
    bender

    bender Road Train Member

    2,105
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    Jul 20, 2010
    Don't Kid Yourself
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    What kind of truck/engine? The fuel can be siphoning back to the tanks or pressurized back to the tanks.
     
    bender, Jun 15, 2012
    bender, Jun 15, 2012
    #2
  4. Jun 16, 2012 #3
    Cowpie1

    Cowpie1 Road Train Member

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    Nov 25, 2008
    Kellogg, IA
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    Is that a Davco filter unit? If it is, then there is a check valve in the input side that keeps fuel in the bowl when off. That sometimes needs to be replaced. See page 17 of this....

    http://www.davco.com/pdf/tech/1271.pdf
     
    Cowpie1, Jun 16, 2012
    Cowpie1, Jun 16, 2012
    #3
    rookietrucker Thanks this.
  5. Jun 16, 2012 #4
    freightrunner

    freightrunner Heavy Load Member

    722
    182
    Mar 25, 2012
    Georgia
    0
    2002 Freightliner Fld. Cummings n-14 500hp.
    It will stay in the bowl while running but just when i let it stand not running for like 4 or more hours
     
    freightrunner, Jun 16, 2012
    freightrunner, Jun 16, 2012
    #4
  7. Jun 16, 2012 #5
    Heavyd

    Heavyd Road Train Member

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    +1 with what Cowpie1 said.
     
    Heavyd, Jun 16, 2012
    Heavyd, Jun 16, 2012
    #5
  8. Jun 17, 2012 #6
    Mr. Truck Fixer

    Mr. Truck Fixer Bobtail Member

    46
    13
    Jan 27, 2012
    Ontario
    0
    I have seen the check valve in the ecm cooling plate cause this, as well as the fuel tank shut off taps on top of the transmission on the freightliners. If this started after a fuel filter replacement make sure the o ring is not misplaced on davco/fuel pro style primary filter.

    hope this helps
     
    Mr. Truck Fixer, Jun 17, 2012
    Mr. Truck Fixer, Jun 17, 2012
    #6
  9. Jun 17, 2012 #7
    freightrunner

    freightrunner Heavy Load Member

    722
    182
    Mar 25, 2012
    Georgia
    0
    Thanks ill try to replace the check valve
     
    freightrunner, Jun 17, 2012
    freightrunner, Jun 17, 2012
    #7
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