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PLEASE HELP D12 EGR'S REPLACED STILL LOSS OF POWER

Discussion in 'Heavy Duty Diesel Truck Mechanics Forum' started by KY_Road_Hammer, Jul 4, 2019.

  1. Jul 4, 2019 #1
    KY_Road_Hammer

    KY_Road_Hammer Bobtail Member

    1
    0
    Jun 26, 2019
    0
    So I just spent 4500 to have both egrs and tubes and temperature sensor replaced on my 07 vnl 780 and less than 30 days later now I'm back to having no power climbing hills now it's throwing codes says EGR temperature valve to high don't know if this helps but it also has MID 128 PID 412 FMI 0 any help would be greatly appreciated
     

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    Last edited: Jul 4, 2019
    KY_Road_Hammer, Jul 4, 2019
    KY_Road_Hammer, Jul 4, 2019
    #1
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  3. Jan 6, 2020 #2
    Shmeezy69

    Shmeezy69 Bobtail Member

    14
    1
    Jan 5, 2020
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    I have the same issue did you ever figure it out?
     
    Shmeezy69, Jan 6, 2020
    Shmeezy69, Jan 6, 2020
    #2
  4. Jan 7, 2020 #3
    Phil12

    Phil12 Bobtail Member

    11
    1
    Jan 7, 2020
    0
    Clean your crankshaft sensor if it is a two wire sensor. Use a magnet. Also leave shim out if it doesn't touch relutor wheel.
     
    Phil12, Jan 7, 2020
    Phil12, Jan 7, 2020
    #3
  5. Jan 7, 2020 #4
    Phil12

    Phil12 Bobtail Member

    11
    1
    Jan 7, 2020
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    Also the older ones were known to shear one tooth on the transfer fuel pump.
     
    Phil12, Jan 7, 2020
    Phil12, Jan 7, 2020
    #4
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