Mack mp8 issues

Discussion in 'Heavy Duty Diesel Truck Mechanics Forum' started by Skooter1969, Sep 1, 2020.

  1. Skooter1969

    Skooter1969 Bobtail Member

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    Sep 1, 2020
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    Iam working on a 2011 mack cxu613 it has a mp8 and mdrive trans everything is fine when you first take off after about 5 mile truck just has no throttle response engine still running until you come to a complete stop and it dies put in neutral engine starts back up and runs a bit and the same thing happens intil it sets awhile only code are gear selector code any help would be much appreciated thanks in advance
     
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  3. McMahons Trucking

    McMahons Trucking Light Load Member

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    119
    Jul 4, 2018
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    Sounds like the the clutch isn't disengaging. Does it die if you put it in Neutral before coming to a stop?
     
  4. Skooter1969

    Skooter1969 Bobtail Member

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    1
    Sep 1, 2020
    0
    Yes it's costing to a stop but when it stops it dies
     
  5. vacaflortoro23

    vacaflortoro23 Bobtail Member

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    Nov 11, 2020
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    Hi, I have a Mack SXU VISION 2014 with motor D13 MP8.
    I have a leak in the exhaust leak with the smell of oil and gasoline
    I have checked the head and the turbo, and both are good
    Does anyone know what else should I check?

    VIDEO WITH LEAK
     
  6. Terry tj

    Terry tj Bobtail Member

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    Apr 26, 2021
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    Buddy have you found your problem. I have exactly same thing going on. Please let me know. Tex me. Terry. 780-882-0975. Thanks
     
  7. Terry tj

    Terry tj Bobtail Member

    2
    0
    Apr 26, 2021
    0
    Mine same. Spent a ton and still doing same thing.
     
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