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FUEL IN OIL 2010 CUMMINS ISC 8.3

Discussion in 'Heavy Duty Diesel Truck Mechanics Forum' started by Kawi027, Feb 22, 2018.

Page 5 of 17
  1. Mar 6, 2018 #41
    Goodysnap

    Goodysnap Road Train Member

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    What was the fix for the fuel rail decay? Did the relief valve take care of that issue?
     
    Goodysnap, Mar 6, 2018
    Goodysnap, Mar 6, 2018
    #41
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  3. Mar 6, 2018 #42
    Goodysnap

    Goodysnap Road Train Member

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    What was the fix for the fuel rail decay? Did the relief valve take care of that issue?
     
    Goodysnap, Mar 6, 2018
    Goodysnap, Mar 6, 2018
    #42
  4. Mar 6, 2018 #43
    Kawi027

    Kawi027 Light Load Member

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    Apr 22, 2013
    LAS VEGAS, NV
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    Have not installed the relief valve yet, freightliner lost the part and had to reorder. I will do this test and update the thread on results.
     
    Kawi027, Mar 6, 2018
    Kawi027, Mar 6, 2018
    #43
  5. Mar 13, 2018 #44
    Kawi027

    Kawi027 Light Load Member

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    Apr 22, 2013
    LAS VEGAS, NV
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    CD9EEA5F-7C63-4E31-AAA8-762A4DD5B726.jpeg CD9EEA5F-7C63-4E31-AAA8-762A4DD5B726.jpeg 14C53B78-EC05-4FE0-9EA3-3568586A2AC4.jpeg Okay for about a week after we cleaned out the filter the truck was only regening 1x every 12 hrs. Now within the last 3 days its back to regen 2x per day (see attached report). The truck is not making oil on the dipstick like before but is regening too much (no high ideling going on). We have the following codes popping up every 2 days after we clear
    3582 active cel
    3649 inactive
    3597 inactive
    0286 inactive

    Side note: The truck sometimes gets a no eng light on the dash and will crank but not start. The driver needs to move some of the fuses around in the fuse box then it will start up right away. Could a bad ground be causing some of these issues? Could a bad nox sensor be causing excessive regens when the truck doesnt need it?
     
    Kawi027, Mar 13, 2018
    Kawi027, Mar 13, 2018
    #44
  7. Mar 13, 2018 #45
    Kawi027

    Kawi027 Light Load Member

    100
    23
    Apr 22, 2013
    LAS VEGAS, NV
    0
    5E4A8FD7-7FE8-4566-B6D0-4CCAAAA69F12.jpeg 023286EE-6E5D-440E-A5D0-D2734EE5569C.jpeg Here is the report I ran after we cleaned the dpf. The dpf was cleaned and installed at the engine hour 8333. You cN see how the intervals improved
     
    Kawi027, Mar 13, 2018
    Kawi027, Mar 13, 2018
    #45
  8. Mar 13, 2018 #46
    Goodysnap

    Goodysnap Road Train Member

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    Your differential pressure is still elevated. Should be lower after cleaning and less than 1.0psi IMO. Suggest reman filter for starters. Still need to perform snap throttle in dyno mode to be sure of no black smoke and fix rail decay issue. Your nox faults are not related to frequent regens and need to be troubleshot as a separate issue. What is the current software level and have you checked for revisions for the faults.
     
    Goodysnap, Mar 13, 2018
    Goodysnap, Mar 13, 2018
    #46
  9. Mar 13, 2018 #47
    Kawi027

    Kawi027 Light Load Member

    100
    23
    Apr 22, 2013
    LAS VEGAS, NV
    0
    Thank you how do your retrieve the software level?
    No i havnt checked fir revisions
    Any suggestion or reviews on after market or reman dpf filter. Mine has about 160,000 mi on it only.
     
    Kawi027, Mar 13, 2018
    Kawi027, Mar 13, 2018
    #47
  10. Mar 13, 2018 #48
    nax

    nax Road Train Member

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    I assume this is same as when I tap the throttle when idling?

    What does black smoke out the stacks mean? piston rings allowing oil into combustion chamber or unburned fuel?
     
    nax, Mar 13, 2018
    nax, Mar 13, 2018
    #48
  11. Mar 14, 2018 #49
    Goodysnap

    Goodysnap Road Train Member

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    The software level is found at the top of the page when connected to Insite and revisions are found on QSOL. Should read CA90003.?? is the number we are looking for. Go Cummins reman on the filter. Were the maintenance resets performed after the cleaning?Do we know what cleaning method/machine was used? The other thing that is a possibility is plugged SCR. Inspect the inlet with inspection camera or take off the elbow at the SCR inlet and monitor a regen to see if the pressure drops or remains the same.
     
    Goodysnap, Mar 14, 2018
    Goodysnap, Mar 14, 2018
    #49
  12. Mar 14, 2018 #50
    Goodysnap

    Goodysnap Road Train Member

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    Either or ..... an engine issue causing the DPF to plug early with unburned fuel or oil passing. Black is usually excess fuel or lack of air. Either way if smoking your wasting time and money on dpf maintenance as you have an engine issue.
     
    Goodysnap, Mar 14, 2018
    Goodysnap, Mar 14, 2018
    #50
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