Need help understanding "New" codes in Paccar engine.

Discussion in 'Heavy Duty Diesel Truck Mechanics Forum' started by Guntoter, Jul 26, 2015.

  1. mhyn

    mhyn Road Train Member

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    Alpo unfortunately it happens with paccar mx.......
     
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  3. Caesar

    Caesar Road Train Member

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    Yes, I know. And as I have written over and over again, it is not the engine itself, these are wiring problems. Many problems in modern trucks and cars are wiring problems, many dealers and mechanics are not or not enough aware of this, and start replacing parts that are perfectly fine. And it can happen with any brand.

    I don't know why this poor guy had the problem, is it the quality of the harness, damage, corrosion, it is impossible to say from a distance.
     
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  4. Belials

    Belials Light Load Member

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    The main wiring harness - as in, the main chassis harness?

    That harness can cause a wide range of issues and you very well may have had the same experience with a Cummins engine. Blaming it on the engine in this case is silly. It's an electrical problem.

    Also, you're saying this truck cost you $80,000 in maintenance costs? I'm sorry, but I don't believe that for a second. There's absolutely no way unless you, yourself, were not properly maintaining it.

    Don't get me wrong, the MX had a lot of issues - especially when it was newer and there was a lot less dealer support, knowledgeable techs, and they went through a lot of parts revisions on them. But $80,000 in maintenance costs? No. You didn't follow your maintenance schedules.

    Everytime I've heard a driver / company make this claim and then ask for them to provide documentation of when they're doing their oil changes, their filter changes, their DPF cleanings - etc, we find that they're WAY OUTSIDE of their schedules. Don't blame the truck, the engine, or the aftertreatment system - regardless of who makes it, when you're not following proper instructions.
     
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  5. mhyn

    mhyn Road Train Member

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    @Belials
    ....Blaming it on the engine in this case is silly. It's an electrical problem....That harness is a part of the engine not a home internet provider's wiring or something else. All kind of CanBus-s, J bla bla are installed on modern trucks you feel like you drive a desktop computer or laptop and not a truck.
     
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  6. Caesar

    Caesar Road Train Member

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    Oh dear, that did hurt didn't it.
     
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  7. Belials

    Belials Light Load Member

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    That harness is in fact part of the chassis.

    After your one year warranty is up, if that harness fails, go ahead and try to say "but it's part of the engine, it should fall under my engine warranty (2 years, 250/000 miles)!!!!!" and you'll be told "no, sorry, it's actually part of your chassis".
     
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  8. Techman38

    Techman38 Bobtail Member

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    Jan 30, 2017
    North Carolina
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    Would you please email me the paccar code list I have a 2014 t680 paccar mx 13. techman38@yahoo.com. fault code 5319.
     
  9. kingshipllc

    kingshipllc Bobtail Member

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    Camas WA
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    I couldn't read all pages to busy.
    But I deleted my 2013 mx13 epa 10 t680
    The first signs of after treatment issues
    Ot 9nly cost me $3500
    And I have had almost a million trouble free miles 963k now
    This is the only way these engines should be fixed.
    So grow a pair and fix your paccar once and for all. And protect your "Life, Liberty and the pursuit of Happiness"
     
  10. Audrey

    Audrey Bobtail Member

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    Apr 27, 2019
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    Can you send the list to me? We are having a lot of Codes and would like to know what they are before going to the KW shop. My email is ashearin@epmart.com...thanks!
     
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