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2012 maxxforce 13 boost surging

Discussion in 'International Forum' started by RickieBrent, Oct 12, 2017.

Page 3 of 6
  1. Oct 29, 2017 #21
    Justrucking2

    Justrucking2 Road Train Member

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    Sounds like a bad tune... Many parameters that have to be looked at. I would say you are living on borrowed time.
     
    Justrucking2, Oct 29, 2017
    Justrucking2, Oct 29, 2017
    #21
    jamespmack Thanks this.
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  3. Oct 29, 2017 #22
    RickieBrent

    RickieBrent Bobtail Member

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    That is in the back of my head ofc. But as plan D. It started quite some time after the retune. I really have my mind set on that it's a exhaust/ turbo/ turbo control issue, but that doesn't make it real.
     
    RickieBrent, Oct 29, 2017
    RickieBrent, Oct 29, 2017
    #22
  4. Oct 29, 2017 #23
    Heavyd

    Heavyd Road Train Member

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    Never seen a cracked air to air or split boot cause fluctuating erratic boost. Usually once it breaks open, that's it. Now, if all my talking on this thread simply wasting your time, I can gladly stop wasting mine and move on.
     
    Heavyd, Oct 29, 2017
    Heavyd, Oct 29, 2017
    #23
    QUALITYTRUCK Thanks this.
  5. Oct 29, 2017 #24
    RickieBrent

    RickieBrent Bobtail Member

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    No, ofc not. I'm not sure what offended you, but that would be the opposite of what I meant. The last reply was to the other guy who commented.
     
    RickieBrent, Oct 29, 2017
    RickieBrent, Oct 29, 2017
    #24
    Heavyd Thanks this.
  7. Oct 29, 2017 #25
    RickieBrent

    RickieBrent Bobtail Member

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    O nvm, I thought that was you who said all this talk... But it was another.
     
    RickieBrent, Oct 29, 2017
    RickieBrent, Oct 29, 2017
    #25
    Heavyd Thanks this.
  8. Oct 29, 2017 #26
    Heavyd

    Heavyd Road Train Member

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    Yep, not you. I always value everyone's input, but I have no time for know-it-alls.
     
    Heavyd, Oct 29, 2017
    Heavyd, Oct 29, 2017
    #26
    tony97905 Thanks this.
  9. Oct 30, 2017 #27
    RickieBrent

    RickieBrent Bobtail Member

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    Pinching off the one line to the wastegate didn't have any effect unfortunately. I'm no expert by any means but it just seems like it has to be a problem around the turbos and exhaust. Bc of how it clears right up after 1400 rpm when under the most load, would seem a fuel issue or other would get worse as it tried to keep up. What is the other line going to behind the turbo from acv, I know one is exhaust brake I can see, but can't see other.
     
    RickieBrent, Oct 30, 2017
    RickieBrent, Oct 30, 2017
    #27
  10. Oct 30, 2017 #28
    RickieBrent

    RickieBrent Bobtail Member

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    *when under the most load=even under the most load (loaded, up incline or as it may be)
     
    RickieBrent, Oct 30, 2017
    RickieBrent, Oct 30, 2017
    #28
  11. Oct 30, 2017 #29
    Heavyd

    Heavyd Road Train Member

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    The other is the sensing tube for the exhaust back pressure.
     
    Heavyd, Oct 30, 2017
    Heavyd, Oct 30, 2017
    #29
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