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2012 Cascadia DD15 Loosing Throttle Response

Discussion in 'Freightliner Forum' started by Ilya, Apr 7, 2022.

  1. Apr 7, 2022 #1
    Ilya

    Ilya Bobtail Member

    38
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    Feb 1, 2016
    0
    I have a 2012 Cascadia with the original DD15 swapped with a new one from 2016 Cascadia (manual). EGR deleted.
    Truck started having poor/no throttle response recently, especially noticeable when trying to rev up from idle RPMs. Pumping the a-pedal helps bring the rpms up and its all good from there. No check engine lights an no codes. Engine sounds healthy and pulls well.
     
    Last edited: Apr 7, 2022
    Ilya, Apr 7, 2022
    Ilya, Apr 7, 2022
    #1
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  3. Apr 8, 2022 #2
    Magoo1968

    Magoo1968 Road Train Member

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    Mar 18, 2021
    St Malo mb
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    You can’t delete the egr on a dd15 unless you want a early rebuild it’s too integral to the tuning and honestly causes almost no issues.. other stuff doesn’t affect longevity.. this advice was from two great tuners who have problem free customers.. other brands they use block off plates but won’t on a dd15
     
    Magoo1968, Apr 8, 2022
    Magoo1968, Apr 8, 2022
    #2
  4. Feb 3, 2025 #3
    Highway_bully

    Highway_bully Bobtail Member

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    May 6, 2021
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    Highway_bully, Feb 3, 2025
    Highway_bully, Feb 3, 2025
    #3
  5. Feb 3, 2025 #4
    Highway_bully

    Highway_bully Bobtail Member

    7
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    May 6, 2021
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    Did you figure it out? Having the same problem
     
    Highway_bully, Feb 3, 2025
    Highway_bully, Feb 3, 2025
    #4
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