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05 freightliner losing prime? Or..

Discussion in 'Trucks [ Eighteen Wheelers ]' started by clhart426, Nov 13, 2013.

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  1. Nov 13, 2013 #1
    clhart426

    clhart426 Bobtail Member

    43
    1
    Dec 15, 2011
    Toledo,OH
    0
    Detroit series 60. Turns over great. But takes 5-10, longer when it's cold out, before it starts to "fire", and even once it begins to hit, it stumbles,while holding the key to crank, before it actually fires up and runs on its own. I'm not too familiar with this yr engine, could it be something like the tps (?) sensor to signify timing? Or is it just losing prime? I've taken the fuel filter out, cleaned the housing, checked the check all and spring seems to be fine. Replaced the filter. After a day of running the filter/fuel looks grey/black. I'm almost out of ideas. It does show codes when the override switch is hit, but don't know what any of the flash codes mean. Any ideas?
     
    clhart426, Nov 13, 2013
    clhart426, Nov 13, 2013
    #1
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  3. Nov 13, 2013 #2
    dude6710

    dude6710 Road Train Member

    2,162
    622
    Mar 26, 2010
    MN
    0
    The filter looks black? Do you have alge growing in the tanks?

    outside temp when started?

    could be the hand primer
     
    dude6710, Nov 13, 2013
    dude6710, Nov 13, 2013
    #2
  4. Nov 13, 2013 #3
    Smellfunny

    Smellfunny Road Train Member

    1,446
    967
    Jan 28, 2012
    South Carolina
    0
    If your fuel is getting black you could have compression gases getting into fuel.
     
    Smellfunny, Nov 13, 2013
    Smellfunny, Nov 13, 2013
    #3
  5. Nov 13, 2013 #4
    baha

    baha Road Train Member

    4,137
    2,837
    Jul 25, 2013
    ga
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    your fuel ck. valve is bad, 85$ part at drivers side fuel return line,rear of eng.
     
    baha, Nov 13, 2013
    baha, Nov 13, 2013
    #4
    112racing Thanks this.
  7. Nov 13, 2013 #5
    Chip S

    Chip S Light Load Member

    200
    104
    May 27, 2013
    Texas
    0
    Like smellfunny said, look in your fuel tanks. If the fuel is black with no algae youre getting compression in the fuel. Do you have any fuel in the coolant? If so I would change all 6 injector cups and injector o rings. If there is no fuel in the coolant, I would remove all 6 injectors and re-ring all six injectors
     
    Chip S, Nov 13, 2013
    Chip S, Nov 13, 2013
    #5
  8. Nov 13, 2013 #6
    Chip S

    Chip S Light Load Member

    200
    104
    May 27, 2013
    Texas
    0
    Also, if you have fuel shut off valves on top of the trans, you may want to make sure they are dry and not leaking
     
    Chip S, Nov 13, 2013
    Chip S, Nov 13, 2013
    #6
  9. Nov 14, 2013 #7
    heavyhaulerss

    heavyhaulerss Road Train Member

    3,723
    2,040
    Dec 23, 2009
    AL/TN BORDER
    0
    a bad fuel line, allowing air in the sys could be the prob. the fuel back check, I would say prob not bad. if IT were bad it would be hard to start in any weather not just cold. (though it could be leaking back). the warmer weather keeps pressure in the fuel sys allowing better starts. I had exact same symptoms. thought it was an injector leaking down, or a number of other things. plugging truck up would make a world of difference. I replaced all my fuel lines. they can suck air & you cannot tell which one, or ones, are bad. changing my trs & srs sensors changed nothing. fuel lines can deteriorate from the inside & clog in area's you'll never see. not saying that is your problem. mine would be hard to start in cold, then stumble, smoke sputter, then smooth out after 5 8 seconds. and ONLY in cold temp.
     
    heavyhaulerss, Nov 14, 2013
    heavyhaulerss, Nov 14, 2013
    #7
  10. Nov 14, 2013 #8
    clhart426

    clhart426 Bobtail Member

    43
    1
    Dec 15, 2011
    Toledo,OH
    0
    I looked in tanks the tanks. Theres black on the sides and tubes. But not on the bottom. Is there a way to test injector leak down? My fuel lpnes almost look like an air line, all fittings are tight and don't appear to be leaking.n.
     
    clhart426, Nov 14, 2013
    clhart426, Nov 14, 2013
    #8
  11. Nov 14, 2013 #9
    Gear head

    Gear head Medium Load Member

    532
    91
    Apr 1, 2012
    Belair,md
    0
    put return line in bucket look for bubbles from compression.
     
    Gear head, Nov 14, 2013
    Gear head, Nov 14, 2013
    #9
  12. Nov 14, 2013 #10
    JohnP3

    JohnP3 Road Train Member

    1,594
    684
    Feb 21, 2010
    Rock Creek B.C. Canada
    0
    With it being a Freightliner, take a flashlight and look into the tank, there are two pipes in the tank, front section, one is suction one return, if you get a big gulp of air it is draining back, if after it starts it is blowing a lot of fine bubbles, then it has compression leaking past the injectors, Possible stretched hold down bolt. they all would need to be removed and new washers install, and new Ò`rings.
    I have never changed a return check valve, and I specialised in engines.
    Just a thought!
     
    JohnP3, Nov 14, 2013
    JohnP3, Nov 14, 2013
    #10
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