Isx doser condition exists

Discussion in 'International Forum' started by Mr. Truck Fixer, Oct 10, 2012.

  1. Mr. Truck Fixer

    Mr. Truck Fixer Bobtail Member

    46
    13
    Jan 27, 2012
    Ontario
    0
    2009 int 9900i with isx keeps coming in with same code "doser condition exists" it has new dpf doc differential pressure sensor, tubes have been cleaned doser replaced and cleaned. Takes about a week for the cel to come back on. ECM cal is up to date and matches dpf installed. What are we missing?
     
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  3. Driver of the year

    Driver of the year Medium Load Member

    442
    249
    Sep 28, 2012
    Tampa FL
    0
    Get rid of that EGR Truck and Buy a pre Emissions Gas Recirculation Truck and the head aches will go away!
     
  4. Dutch

    Dutch Light Load Member

    194
    58
    Nov 21, 2009
    Commiefornia
    0
    did you flow check the doser and measure the amount of fuel? I cant remember the spec, its like 2xx ml.
     
  5. truckmechanic

    truckmechanic Medium Load Member

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    140
    Jan 14, 2012
    Hi Desert Ca
    0
    Did you check the extension harness from the doser to the main harness that runs under the egr cooler?what's the code?also what's the temps when doing a regen I work for a cummins dealer and some of these codes with the dpf/doc system can be ghosts and a pain.
     
  6. ISF

    ISF Bobtail Member

    17
    1
    May 7, 2012
    0
    Hi, Stop wasting you money trying to fix this if it isn't covered by warranty get rid it.
    Take it to Diesel in Montreal and those guys will make a trouble free money making truck out of it
    ISF
     
  7. Heavyd

    Heavyd Road Train Member

    7,804
    6,253
    Feb 4, 2009
    0
    Uhhh, like, really?
     
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