2012 Cascadia dd13 spn 3246 fmi 0

Discussion in 'Heavy Duty Diesel Truck Mechanics Forum' started by rediron6, Jul 14, 2019.

  1. rediron6

    rediron6 Light Load Member

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    Aug 10, 2011
    albany, ny
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    Can someone please tell me where the dpf
    Outlet temp sensor is. I have the one box diagram but it doesn’t show it. Thanks charlie
     
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  3. mhyn

    mhyn Road Train Member

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    #95 getImage.png
     
    spsauerland Thanks this.
  4. Antinomian

    Antinomian Road Train Member

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    Do you have the DDDL software, or a ScanGuage so you can see the temp reading? If the DPF outlet temp is suddenly jumping from normal to crazy high values then it's your wiring harness shorting out. Been there.

    And I started getting this same code another time because one of my CAC boots was leaking. If I let off the accelerator while it was doing a regen it would pull in air and the oxygen would cause a heat bloom in the one box. I guessed what the problem was because I had just had my CAC pressure tested.
     
    mhyn Thanks this.
  5. mhyn

    mhyn Road Train Member

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    Do you have Scngauge in your truck? Do you monitor boost pressure?
     
  6. Antinomian

    Antinomian Road Train Member

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    Yes. I can monitor boost, but I usually don't.
     
  7. mhyn

    mhyn Road Train Member

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    Do you remember what was the max boost value you have seen?
     
  8. Antinomian

    Antinomian Road Train Member

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    I believe it was in the thirties.
     
  9. mhyn

    mhyn Road Train Member

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    I was thinking it must be high twenties. DL shows two pressures. Intake pressure and estimated boost pressure. Scangauge reads Estimated Boost pressure value. I have a truck that does not build more than 23psi. Checked everything and can't understand why it does not build more pressure.
     
  10. Antinomian

    Antinomian Road Train Member

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    I will make a point to watch mine tomorrow.
     
    mhyn Thanks this.
  11. mhyn

    mhyn Road Train Member

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    thank you.
     
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