my truck keep killing.

Discussion in 'Peterbilt Forum' started by brianjez, Aug 25, 2016.

  1. brianjez

    brianjez Bobtail Member

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    Oct 3, 2014
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    I HAVE A PETERBILT 387 AND I WAS GETTING A LOW FUEL PRESSURE FAULT CODE.I CHANGED THE FUEL FILTERS AND NOW ITS SAYING ENGINE EXHAUST GAS PRESSURE.
     
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  3. Sharky88

    Sharky88 Heavy Load Member

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    Sep 25, 2013
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    Which motor how many miles
     
  4. brianjez

    brianjez Bobtail Member

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    Oct 3, 2014
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    Cummins Isx 715,000
     
  5. Sharky88

    Sharky88 Heavy Load Member

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    Sep 25, 2013
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    Dose it take a regen? Your dpf could be clogged when was the last time you had it serviced? Cummins recommends it done at least every 250K miles. Is the truck smoking? If so what color is the smoke? Are you loosing coolant?
     
  6. brianjez

    brianjez Bobtail Member

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    Oct 3, 2014
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    It regens but it does it's been doing it a couple of times a day. It's white smoke when it does. The fault code says exhaust back gas pressure sensor
     
  7. Sharky88

    Sharky88 Heavy Load Member

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    Sep 25, 2013
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    The dpf needs to be serviced. Better do it soon or the engine will de-rate and you will be calling a tow truck
     
    rachi Thanks this.
  8. brianjez

    brianjez Bobtail Member

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    Oct 3, 2014
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    Is that expensive
     
  9. Sharky88

    Sharky88 Heavy Load Member

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    Sep 25, 2013
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    If just a cleaning about $500 if it went bad could be up to $10,000 or more. You really need to do better maintainence on the truck
     
  10. CiccarelliTruckin

    CiccarelliTruckin Bobtail Member

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    Aug 23, 2016
    Porterville, CA
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    Cost me 2900 to replace my sensors clean dpf etc since it derrated and 650 in tow bills from riverside to Fontana. This was on a paccar mx 13
     
    rachi Thanks this.
  11. brianjez

    brianjez Bobtail Member

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    Oct 3, 2014
    0
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