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dpf fuel injector 1 no response

Discussion in 'Trucks [ Eighteen Wheelers ]' started by jamin22, Jun 30, 2013.

Page 1 of 4
  1. Jun 30, 2013 #1
    jamin22

    jamin22 Light Load Member

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    Dec 24, 2009
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    does anyone have a good idea what this means? how long it would most likely take to get fixed?

    check engine light came on for this yesterday, did not have any power loss or and symptoms really other than the light coming on/

    its a 2007 cummins isx 500hp
     
    jamin22, Jun 30, 2013
    jamin22, Jun 30, 2013
    #1
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  3. Jun 30, 2013 #2
    Senakareb

    Senakareb Bobtail Member

    10
    7
    Dec 27, 2008
    Spanaway, WA
    0
    It means the injector that heats the exhaust to run the manual regen is stuck or screwed cost to fix bout 500 bucks if u don't do it yourself .
     
    Senakareb, Jun 30, 2013
    Senakareb, Jun 30, 2013
    #2
  4. Jun 30, 2013 #3
    jamin22

    jamin22 Light Load Member

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    Dec 24, 2009
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    that doesnt sound too bad i guess. are you saying that it will still do an auto regen while i drive? it just wont be able to do a manual until it gets fixed?

    i actually did a manual regen about 350 miles before this check engine light came on. is that possibly what caused it? i didnt have to do one, but i had problems with this truck not automatically regening a few months ago, so i usually try to do a manual once a week or so, just to be safe.
     
    jamin22, Jun 30, 2013
    jamin22, Jun 30, 2013
    #3
  5. Jun 30, 2013 #4
    jamin22

    jamin22 Light Load Member

    297
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    Dec 24, 2009
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    I really appreciate that 2nd post. here is my situation though. I really have roughly a 5% chance of having a shop in my area taking a look at this week being it's really only a 3 day week. I am taking a week off starting on the 10th. I really can't afford to take 2 and a half weeks off, but obviously I don't want to do any engine or dpf damage in the meanwhile. Is is safe for me to drive this the next week and a half, in pretty much all highway, I never idle. Will it still do passive regens for me? Will a dpf injector leak fuel into the oil like a normal injector would? Thanks for any help
     
    jamin22, Jun 30, 2013
    jamin22, Jun 30, 2013
    #4
  7. Jun 30, 2013 #5
    Senakareb

    Senakareb Bobtail Member

    10
    7
    Dec 27, 2008
    Spanaway, WA
    0
    The truck will continue to do passive regens, but u wont be able to do a manual regen. Truck will go to through the motions of mannual regen but the dpf filter will never reach required temperature to clean.

    I ran my Isx for months before I had time to fix it no harm no damage.

    The injector is in the exhaust just after the turbo can't leak anything without being burned off.
     
    Senakareb, Jun 30, 2013
    Senakareb, Jun 30, 2013
    #5
  8. Jun 30, 2013 #6
    Senakareb

    Senakareb Bobtail Member

    10
    7
    Dec 27, 2008
    Spanaway, WA
    0
    The cos is the injector gets covered in soot and sticks its a part called the doser which slides open and closes as required for manual regen its not tough to fix yourself two bolts and some brake cleaner hey presto. However the doser can split then a new one is required.
     
    Senakareb, Jun 30, 2013
    Senakareb, Jun 30, 2013
    #6
  9. Jul 1, 2013 #7
    Heavyd

    Heavyd Road Train Member

    7,750
    6,184
    Feb 4, 2009
    0
    Ever have one with the bolts seized? Or how about draining the coolant? How about seized coolant tube fittings? I really wish you guys would be realistic sometimes. Not everything takes 15 mins and 10 bucks to fix!!! This may not be a job for a DIYer if you have to start drilling out broken bolts and cutting rusted coolant lines. If this has never been apart before, or if the last guy has never heard of Anti-Seize, I bet something will be seized making this one of those PITA jobs. Can it be done? With the right tools, absolutely! Just be warned! About 70% of the ones I do have something seized. Not everyone has a set of torches or a cut-off wheel.
     
    Heavyd, Jul 1, 2013
    Heavyd, Jul 1, 2013
    #7
    QUALITYTRUCK Thanks this.
  10. Jul 1, 2013 #8
    Senakareb

    Senakareb Bobtail Member

    10
    7
    Dec 27, 2008
    Spanaway, WA
    0
    Well pardon me all to hell. Your right in all u say. He asked what the code was not a detailed how to do it. Mine was easy his might not be.
     
    Senakareb, Jul 1, 2013
    Senakareb, Jul 1, 2013
    #8
    robz1017 and fargonaz Thank this.
  11. Jul 1, 2013 #9
    Heavyd

    Heavyd Road Train Member

    7,750
    6,184
    Feb 4, 2009
    0
    Don't get me wrong. We are all here to help. We just don't want to lead someone down the wrong path. His may unbolt no problem, but it is only fair to make sure people know not everything goes smoothly and problems can be encountered to the point where you may find yourself in over your head.
     
    Heavyd, Jul 1, 2013
    Heavyd, Jul 1, 2013
    #9
    QUALITYTRUCK Thanks this.
  12. Jul 1, 2013 #10
    Dutch

    Dutch Light Load Member

    194
    58
    Nov 21, 2009
    Commiefornia
    0
    Don't forget that if your cleaning the doser it does need to be flow tested to insure the spay and flow is in spec. If your replacing it or cleaning it, the parameters for the AFI need to be reset in INSITE. Unless people like melting the DPF. It wouldn't be a bad idea to get the ECM cal updated at that time to.
     
    Dutch, Jul 1, 2013
    Dutch, Jul 1, 2013
    #10
    Heavyd Thanks this.
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