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Turbo Speed Sensor code on after replacing Exhaust Manifold Gaskets

Discussion in 'Peterbilt Forum' started by habfleet, Apr 17, 2017.

  1. Apr 17, 2017 #1
    habfleet

    habfleet Light Load Member

    163
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    Feb 5, 2012
    elwood nj
    0
    2014 Peterbuild Cummins ISX15 Replaced exhaust manifold gaskets trk now throwing code 0687 turbo speed sensor. Clear code as soon as power put to it the turbo sounds like it has a exhaust leak and check engine light on. Have checked for exhaust leak none found. Getting ready to replace turbo speed sensor .Throwing it out there if somebody as found there to be another problem causing this code. Thanks in Advance
     
    habfleet, Apr 17, 2017
    habfleet, Apr 17, 2017
    #1
    Jatt07 Thanks this.
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  3. Apr 17, 2017 #2
    nasriza

    nasriza Road Train Member

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    Feb 1, 2013
    Chicago, IL
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    check to make sure your VGT is working properly most of the time turbo will overspeed cuz the VGT is stuck and it might throw a speed code or a egr temp code. it is also possible that turbo is messed up.
     
    nasriza, Apr 17, 2017
    nasriza, Apr 17, 2017
    #2
    habfleet Thanks this.
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