Isx kinda slugish

Discussion in 'Ask An Owner Operator' started by Michael Goheen, Jan 19, 2016.

  1. Michael Goheen

    Michael Goheen Bobtail Member

    16
    1
    Dec 22, 2015
    Ontario
    0
    Ok so have a tri with a 04 cummins isx 475hp 1650ftlbs. In an international paystar dump truck it pulls like a 350hp up top has an 18 speed. When I get over 1500 rpm the turbo sound sounds like its fluctuating in boost but still very sluggish 1000-1500 in 18 empty it works it trying to up a hill
     
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  3. Crossroads

    Crossroads Light Load Member

    239
    236
    Feb 28, 2013
    Lumberton NC
    0
    When was the last time the EGR was cleaned or replaced?
     
  4. Michael Goheen

    Michael Goheen Bobtail Member

    16
    1
    Dec 22, 2015
    Ontario
    0
  5. Michael Goheen

    Michael Goheen Bobtail Member

    16
    1
    Dec 22, 2015
    Ontario
    0
    I'm reading it sounds like a exhaust pressure sensor
     
  6. 062

    062 Road Train Member

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    33,567
    Oct 20, 2013
    0
    How much boost does it make?
    Check air to air and piping for leaks.
    Is it using coolant?
    Check exhaust manifold and egr piping for leaks.
    A few sensors can cause a silent derate,with out insite your just guessing.
    Check out rawze egr tune up on YouTube
     
    mitmaks Thanks this.
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