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ISX cm871 wont regen

Discussion in 'Trucks [ Eighteen Wheelers ]' started by Chevyho, Feb 22, 2017.

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  1. Feb 22, 2017 #1
    Chevyho

    Chevyho Medium Load Member

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    I am new to cummins engine so please excuse my ignorance. I am looking to purchase a 09 volvo with 485 cm871. Truck wont regen, new turbo on the truck and dealer cleaned dpf. I included screenshots of faults from insite to see if anyone can tell me what the issue may be. Truck has just under 600k miles. Thanks in advance for any help.
     

    Attached Files:

    Chevyho, Feb 22, 2017
    Chevyho, Feb 22, 2017
    #1
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  3. Feb 22, 2017 #2
    Snailexpress

    Snailexpress Road Train Member

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    Did you took pictures all at same time?
    1. Regeneration will not start with codes active. On pic 6 it says regeneration inhibited due to active code.
    2. EGR valve need cleaning or replacing. It open slightly when should be close.
    If you can avoid to buy this truck do it immediately.
    Nothing but problems.
     
    Snailexpress, Feb 22, 2017
    Snailexpress, Feb 22, 2017
    #2
  4. Feb 22, 2017 #3
    Chevyho

    Chevyho Medium Load Member

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    I am not commited to buying the truck, I could get the truck for very cheap which is the only reason I am looking at it. Is the engine or aftertreatment the issue, or both? The pictures are all from the exact same time during a regen when the low temp fault logged.
     
    Chevyho, Feb 22, 2017
    Chevyho, Feb 22, 2017
    #3
  5. Feb 22, 2017 #4
    Chevyho

    Chevyho Medium Load Member

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    The aftertreatment injector is showing closed I would believe this is where the problem lies?
     
    Chevyho, Feb 22, 2017
    Chevyho, Feb 22, 2017
    #4
  7. Feb 22, 2017 #5
    Snailexpress

    Snailexpress Road Train Member

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    Who was working with Insite?
    I see the data not from engine ECM live. It is from ECM image. The computer is not connected to ECM.
     
    Snailexpress, Feb 22, 2017
    Snailexpress, Feb 22, 2017
    #5
  8. Feb 22, 2017 #6
    Chevyho

    Chevyho Medium Load Member

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    Yes it is a ecm image from when I had a tech friend looking at the truck. He is not very familiar with the emissions systems.
     
    Chevyho, Feb 22, 2017
    Chevyho, Feb 22, 2017
    #6
  9. Feb 22, 2017 #7
    Snailexpress

    Snailexpress Road Train Member

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    I will be back in 1 hour.
     
    Snailexpress, Feb 22, 2017
    Snailexpress, Feb 22, 2017
    #7
    Chevyho Thanks this.
  10. Feb 23, 2017 #8
    Snailexpress

    Snailexpress Road Train Member

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    Aftertreatment injector will stay closed until all required parameters are met.
    Engine temperature, DPF temperature and many other.
    Injector definitely need to be replaced if during regeneration
    Insite say injector is ON
    Afterteatment injector fuel pressure is 250 PSI or more
    DOC intake temperature start rising up to 600 F
    DPF temperature start rising after fuel injected should reach 1000F - 1100F
    Most common reason for bad regeneration is leaking exhaust. If dealer was in DPF 100% they didn't put new gaskets.
    Crank case pressure is to high in this engine. Be ready for inframe
     
    Snailexpress, Feb 23, 2017
    Snailexpress, Feb 23, 2017
    #8
    Chevyho Thanks this.
  11. Feb 23, 2017 #9
    Cat sdp

    Cat sdp . .

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    There's a reason the price is so cheap.....


    Lots of cummins info here

    http://rawze.com/forums/index.php

     
    Last edited: Feb 23, 2017
    Cat sdp, Feb 23, 2017
    Cat sdp, Feb 23, 2017
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    Chevyho Thanks this.
  12. Feb 23, 2017 #10
    Chevyho

    Chevyho Medium Load Member

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    Thanks guys ive watched lots of rawzes vids. Im going to walk away from it, thanks for the advice!
     
    Chevyho, Feb 23, 2017
    Chevyho, Feb 23, 2017
    #10
    Snailexpress Thanks this.
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