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Black smoke while going up the hill.2005 vnl 670 cummings isx.

Discussion in 'Trucks [ Eighteen Wheelers ]' started by Shashamane, Jun 13, 2018.

  1. Jun 13, 2018 #1
    Shashamane

    Shashamane Bobtail Member

    19
    6
    Feb 6, 2017
    0
    Code 128 412 fmi 0.still have power.
     
    Shashamane, Jun 13, 2018
    Shashamane, Jun 13, 2018
    #1
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  3. Jun 13, 2018 #2
    Shashamane

    Shashamane Bobtail Member

    19
    6
    Feb 6, 2017
    0
    20180612_142105-1.jpg 20180612_142047-1.jpg
     
    Shashamane, Jun 13, 2018
    Shashamane, Jun 13, 2018
    #2
  4. Jun 13, 2018 #3
    DTP

    DTP Road Train Member

    1,281
    2,709
    Dec 9, 2014
    0
    Could be something as minor as too much fuel going into the cylinders or a leak. Or could be a bad injector or your turbo going out. My guess would be injector.
     
    DTP, Jun 13, 2018
    DTP, Jun 13, 2018
    #3
  5. Jun 13, 2018 #4
    Ridgeline

    Ridgeline Road Train Member

    22,649
    120,842
    Dec 18, 2011
    Michigan
    0
    It needs to get into a shop.
     
    Ridgeline, Jun 13, 2018
    Ridgeline, Jun 13, 2018
    #4
    DTP Thanks this.
  7. Jun 13, 2018 #5
    kemosabi49

    kemosabi49 Trucker Forum STAFF Staff Member

    10,914
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    Jan 13, 2013
    SW Arkansas
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    Better check your oil and see if it is being diluted with diesel. Don't keep running it until know what's happening.
     
    kemosabi49, Jun 13, 2018
    kemosabi49, Jun 13, 2018
    #5
  8. Jun 13, 2018 #6
    shogun

    shogun Road Train Member

    6,075
    72,161
    Jan 23, 2009
    Doing a regen
    0
    Possible bad egr valve. @Socal Xpress had this same code in his truck awhile back.
     
    shogun, Jun 13, 2018
    shogun, Jun 13, 2018
    #6
    Socal Xpress Thanks this.
  9. Jun 13, 2018 #7
    Shashamane

    Shashamane Bobtail Member

    19
    6
    Feb 6, 2017
    0
    Thanks guys.mr mechanic told me its my egr valve about to fail.will throw a new one soon
     
    Shashamane, Jun 13, 2018
    Shashamane, Jun 13, 2018
    #7
    Socal Xpress Thanks this.
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