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2010 Peterbilt 330 Low Fuel Pressure

Discussion in 'Peterbilt Forum' started by dfeck, Nov 1, 2013.

  1. Nov 1, 2013 #1
    dfeck

    dfeck Bobtail Member

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    Nov 1, 2013
    0
    We purchased 2 2010 Peterbilt 330's (with PX-6 engines) a year ago. One of them started having problem back in May and when the shop read the code it was low fuel pressure. Well, after 2 months the dealer ended up replacing ALL fuel system parts (pump, injectors, fuel rail, etc). Nothing of their fixes have solved the problem. According to them the entire fuel system components have been replaced and they don't know what else it can be. They got Cummins involved and now the truck is in another city at a Cummins engine repair facility trying to debug the problem. In the meantime, the other truck just went down with the same low fuel pressure code. Both trucks now are dead in the water. Is there anything else it could be? Could it possibly be a ECM issue? I'm at my wits end!
     
    dfeck, Nov 1, 2013
    dfeck, Nov 1, 2013
    #1
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  3. Mar 24, 2016 #2
    Cstevens7

    Cstevens7 Bobtail Member

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    Mar 24, 2016
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    I'm currently having the same exact problem with my 2008... What did Cummins end end finding the problem to be for you???
     
    Cstevens7, Mar 24, 2016
    Cstevens7, Mar 24, 2016
    #2
  4. Mar 24, 2016 #3
    Straight Stacks

    Straight Stacks Paper Cha$er

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    Fuel shut off actuator could be the problem.
     
    Straight Stacks, Mar 24, 2016
    Straight Stacks, Mar 24, 2016
    #3
    Cstevens7 Thanks this.
  5. Mar 24, 2016 #4
    Cstevens7

    Cstevens7 Bobtail Member

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    Mar 24, 2016
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    Thanks! I've replaced the turbo, the fuel pump actuator, the fuel pressure sensor, and the fuel pressure relief valve. It runs good for a day or two then runs horrible... Of course when I get to the shop it runs like a champ????
     
    Cstevens7, Mar 24, 2016
    Cstevens7, Mar 24, 2016
    #4
  7. Mar 24, 2016 #5
    Cstevens7

    Cstevens7 Bobtail Member

    5
    1
    Mar 24, 2016
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    Thanks! I've replaced the turbo, the fuel pump actuator, the fuel pressure sensor, and the fuel pressure relief valve. It runs good for a day or two then runs horrible... Of course when I getto the shop it runs like a champ????
     
    Cstevens7, Mar 24, 2016
    Cstevens7, Mar 24, 2016
    #5
    Straight Stacks Thanks this.
  8. Mar 24, 2016 #6
    Straight Stacks

    Straight Stacks Paper Cha$er

    2,930
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    Jul 18, 2015
    Alabama Gulf Coast
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    Curious about what Cummins comes up with. Please update us.
     
    Straight Stacks, Mar 24, 2016
    Straight Stacks, Mar 24, 2016
    #6
  9. Apr 5, 2016 #7
    Cstevens7

    Cstevens7 Bobtail Member

    5
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    Mar 24, 2016
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    The Loval Peterbilt dealership replaced the fule shut off accuator on the fuel pump like you suggested and the truck ran great for about 4 days... Now it's hesitating again for after we run it for 3-4 hours???
     
    Cstevens7, Apr 5, 2016
    Cstevens7, Apr 5, 2016
    #7
  10. Jul 15, 2022 #9
    JD towing

    JD towing Bobtail Member

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    Jul 15, 2022
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    Did you ever get truck running right? I have a 2010 px 6 with fuel problems
     
    JD towing, Jul 15, 2022
    JD towing, Jul 15, 2022
    #9
  11. Jul 15, 2022 #9
    JD towing

    JD towing Bobtail Member

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    Jul 15, 2022
    0
    Did you ever get your fuel problem fixed
     
    JD towing, Jul 15, 2022
    JD towing, Jul 15, 2022
    #9
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