3406e low fuel pressure need help please

Discussion in 'Trucks [ Eighteen Wheelers ]' started by bull hauler, May 8, 2013.

  1. Mr. Haney

    Mr. Haney Road Train Member

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    We need the engine serial number to determine which fuel system you have
     
    SAR Thanks this.
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  3. Me jones

    Me jones Bobtail Member

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    Sorry to steal the thread but I have a question for mr Haney I have 1994 w900b kenworth a 3406 5ek I have replaced all the injectors with brand new not reman on and I have had the motor rebuild about 75k ago it has all new sensors and all new fuel system it carries 65lbs of fuel pressure at a idle and 85 goin down the road I am having a problem with it acting like it is cutting out like it is running out of fuel or like it is a bad injector but the cut out test says they are good I am just about to the point that I am just goin to park the truck I was wondering if you might have a idea of what the problem might be and it is the original evidence it has 45,000 hours on it
     
  4. swaan

    swaan Road Train Member

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    BC canada
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    Sounds like you've done a lot stuff to correct the problem. You mention nothing about the power and grounds to the ECM and the engine harness on the engine and the one under the valve covers. Sounds electrical to me. Check the supply wires to ECM with a loaded circuit make sure there not weak .
     
    Intothesunset Thanks this.
  5. 062

    062 Road Train Member

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    If you figure it out post the solution. I’m having the same problem. Replaced the cam sensor that helped a lot, but has a hiccup in a hard pull over 1600
     
  6. Me jones

    Me jones Bobtail Member

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    Nov 5, 2018
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    I have replaced all of the engine wiring harnesses Evan the one in the rocker box and all the sensors are new and I have checked the engine hot wire and ground they are good
     
  7. Me jones

    Me jones Bobtail Member

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    Does anyone have mr Haney contact info
     
  8. 991lw

    991lw Bobtail Member

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    Jan 15, 2017
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    Email me at misu19720@yahoo.com,i have his nr.
     
  9. Me jones

    Me jones Bobtail Member

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    Nov 5, 2018
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    I have got in contact with him thank you for replying
     
    T800H Thanks this.
  10. Hughjazz

    Hughjazz Bobtail Member

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    Feb 12, 2017
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    Any chance you could share it with me also . Got an mbn that could use some unbridging
     
  11. united972

    united972 Light Load Member

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    May 26, 2016
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    sir do you still have his contact info can u message it to me neeed work on my c13
     
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