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Help !!! White smoke : Raw fuel

Discussion in 'Heavy Duty Diesel Truck Mechanics Forum' started by Rmj1980s, Jun 19, 2019.

Page 1 of 2
  1. Jun 19, 2019 #1
    Rmj1980s

    Rmj1980s Bobtail Member

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    Hey guys I really need help on this. I have a 2012 kw 660 isx fresh rebuild. Done about 12,000 miles on it. Since the first run my truck blows white smoke which is fuel it happens when I press the pedal or going uphill as soon as I let it go it stops. If I’m cruising normal it won’t do it. I’ve already changed a injector, swapped a turbo, all the fuel lines, fuel pump , fuel rail and some sensors that pertain to the fuel system (3) I know it’s not a regen issue. When I bought it had some work done to it. Was told oil cooler is leaking going to change it when I get back . Any help, ideas or feed back is appreciated.
     
    Rmj1980s, Jun 19, 2019
    Rmj1980s, Jun 19, 2019
    #1
    marmonman Thanks this.
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  3. Jun 19, 2019 #2
    Heavyd

    Heavyd Road Train Member

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    Who rebuilt the engine?
     
    Heavyd, Jun 19, 2019
    Heavyd, Jun 19, 2019
    #2
    Dino soar, spsauerland and AModelCat Thank this.
  4. Jun 19, 2019 #3
    Goodysnap

    Goodysnap Road Train Member

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    More questions than answers........

    How is it that you can see any color smoke from the exhaust?

    Why do you think that an engine oil cooler will fix a smoking condition?

    How is it that you " know" it is not a regeneration issue?

    Any oil or coolant consumption since rebuild? oil sample?

    What tests have you done to the fuel system other than change parts........rail decay, IPT test, injector return flow rates?
     
    Goodysnap, Jun 19, 2019
    Goodysnap, Jun 19, 2019
    #3
    Dino soar, Proxy, Heavyd and 4 others Thank this.
  5. Jun 19, 2019 #4
    Cam Roberts

    Cam Roberts Road Train Member

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    Raw fuel? Sounds more like raw coolant with all that white smoke.
     
    Cam Roberts, Jun 19, 2019
    Cam Roberts, Jun 19, 2019
    #4
    Dino soar, Rideandrepair, Proxy and 1 other person Thank this.
  7. Jun 20, 2019 #5
    Proxy

    Proxy Light Load Member

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    As Goodysnap said, definitely more questions than answers.

    I agree with Cam Roberts, without knowing more this is very likely
     
    Proxy, Jun 20, 2019
    Proxy, Jun 20, 2019
    #5
    Goodysnap and Cam Roberts Thank this.
  8. Jun 20, 2019 #6
    Rideandrepair

    Rideandrepair Road Train Member

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    Isn’t Cummins famous for egr cooler leaks? Coolant leaks into exhaust and soaks sensors.
     
    Rideandrepair, Jun 20, 2019
    Rideandrepair, Jun 20, 2019
    #6
    Trucker Kev Paid Tourist, Cam Roberts and Proxy Thank this.
  9. Jun 21, 2019 #7
    Navtech

    Navtech Light Load Member

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    May 9, 2019
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    White smoke with fuel smell is areated fuel, most likely a fuel injector I would get it checked out ASAP because it can burn a hole in a piston.
     
    Navtech, Jun 21, 2019
    Navtech, Jun 21, 2019
    #7
    Rideandrepair Thanks this.
  10. Jun 21, 2019 #8
    Cam Roberts

    Cam Roberts Road Train Member

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    This a cummins diesel. not a ford stroker. I sense the confusion judging by your avatar.
    Not gonna happen and not the case
     
    Cam Roberts, Jun 21, 2019
    Cam Roberts, Jun 21, 2019
    #8
    Rideandrepair Thanks this.
  11. Jun 22, 2019 #9
    Navtech

    Navtech Light Load Member

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    I’ve seen it on an ISL multiple times. Although having aftertreatment could be related to AFI. (Also powerstokes and all international v8 engines are garbage in my book)
     
    Navtech, Jun 22, 2019
    Navtech, Jun 22, 2019
    #9
    Rideandrepair Thanks this.
  12. Jun 22, 2019 #10
    spsauerland

    spsauerland Road Train Member

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    By his original post, I think his aftertreatment may have fallen off.
     
    spsauerland, Jun 22, 2019
    spsauerland, Jun 22, 2019
    #10
    Oxbow, Rideandrepair and Goodysnap Thank this.
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