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Mx paccar engine keeps throwing the egr delta pressure code?

Discussion in 'Experienced Truckers' Advice' started by 7870834, Oct 25, 2017.

Page 1 of 3
  1. Oct 25, 2017 #1
    7870834

    7870834 Bobtail Member

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    Oct 25, 2017
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    I have a egr delta pressure code come on a lot. I have had everything cleaned or replaced and it stays off for a while then comes right back on. I am spending a lot of money and can't afford to keep this up.
     
    7870834, Oct 25, 2017
    7870834, Oct 25, 2017
    #1
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  3. Oct 26, 2017 #2
    boneebone

    boneebone Road Train Member

    2,294
    2,365
    Mar 13, 2009
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    Check wiring harness for short, rubbing, chafing.

    Common problem on MX Engines is the wiring harness.
     
    boneebone, Oct 26, 2017
    boneebone, Oct 26, 2017
    #2
    ncmickey and Lepton1 Thank this.
  4. Oct 26, 2017 #3
    peterbilt_2005

    peterbilt_2005 Medium Rare

    3,906
    29,189
    May 4, 2013
    Commie-fornia come visit we have C. A. R. B
    0
    check harness that connects ecm to harness as well as overhead harness.

    you have a ground issue
     
    peterbilt_2005, Oct 26, 2017
    peterbilt_2005, Oct 26, 2017
    #3
  5. Oct 26, 2017 #4
    7870834

    7870834 Bobtail Member

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    Oct 25, 2017
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    Thanks
     
    7870834, Oct 26, 2017
    7870834, Oct 26, 2017
    #4
  7. Oct 26, 2017 #5
    7870834

    7870834 Bobtail Member

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    Oct 25, 2017
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    Thanks
     
    7870834, Oct 26, 2017
    7870834, Oct 26, 2017
    #5
  8. Oct 26, 2017 #6
    7870834

    7870834 Bobtail Member

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    Oct 25, 2017
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    Thank you for your reply. I will check.
     
    7870834, Oct 26, 2017
    7870834, Oct 26, 2017
    #6
  9. Oct 29, 2017 #7
    shogun

    shogun Road Train Member

    6,075
    72,159
    Jan 23, 2009
    Doing a regen
    0
    May be a grounding issue on the frame underneath the passenger side where the harness rubs. It triggered that code several times on our 2013 Peterbilts.
     
    shogun, Oct 29, 2017
    shogun, Oct 29, 2017
    #7
    peterbilt_2005 Thanks this.
  10. Oct 30, 2017 #8
    7870834

    7870834 Bobtail Member

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    Oct 25, 2017
    0
    Thank you I will check it out.
     
    7870834, Oct 30, 2017
    7870834, Oct 30, 2017
    #8
  11. Aug 8, 2018 #10
    Mx 11

    Mx 11 Bobtail Member

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    Aug 8, 2018
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    Mx 11, Aug 8, 2018
    Mx 11, Aug 8, 2018
    #10
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