Fault code

Discussion in 'Freightliner Forum' started by Sfrappier, Jul 12, 2018.

  1. Jul 12, 2018 #1
    Sfrappier

    Sfrappier Bobtail Member

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    Feb 18, 2017
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    Shop says i have a fault code of 4634-18 and they have no idea what it is. Anyone ever get this code? I just had the one box replaced, 30 hours later i got a check engine light, went into shop and they said the intake manifold was leaking so they fixed that, now it has that code. Any ideas? Thanks in advance
     
    Sfrappier, Jul 12, 2018
    Sfrappier, Jul 12, 2018
    #1
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  3. Jul 12, 2018 #2
    AModelCat

    AModelCat Road Train Member

    29,698
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    Canuckistan
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    Must not be a very good shop because I just typed "4634-18 fault" in Google and the first hit was a troubleshooting procedure from Detroit.
     
    AModelCat, Jul 12, 2018
    AModelCat, Jul 12, 2018
    #2
    driverdriver Thanks this.
  4. Jul 12, 2018 #4
    Sfrappier

    Sfrappier Bobtail Member

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    Feb 18, 2017
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    Sadly it’s a Freightliner dealer and i agree they are not very good
     
    Sfrappier, Jul 12, 2018
    Sfrappier, Jul 12, 2018
    #4
  5. Jul 13, 2018 #4
    jayy408

    jayy408 Bobtail Member

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    Feb 22, 2018
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    Since they replaced one box system I'm assuming they didn't put on new nox sensors I would connect it with a laptop run a parked Regen and keep an eye on inlet nox sensor and outlet nox sensor ppm and see if one of the number is jumping around all over the place or if it's too high or low in that case it would be a bad nox sensor
     
    jayy408, Jul 13, 2018
    jayy408, Jul 13, 2018
    #4
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