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3406e 2ws

Discussion in 'Trucks [ Eighteen Wheelers ]' started by rshakin, Mar 17, 2013.

  1. Mar 17, 2013 #1
    rshakin

    rshakin Bobtail Member

    20
    0
    Mar 14, 2012
    0
    Hello all.

    I am having some power issues with my cat 3406e 2ws serial motor. Its set at 550 on the ecm, but it does not feel like it has the hp or the torque that it should have. I haven't taken it to dyno yet, what should I check first. I have done so far is checked the Turbo hoses and Turbo. There is no play in the shaft of the turbine, the manifold boost at 1550 rpm is at 25 or less psi and takes very long to climb. I have blocked off the waste gate to see if any difference it has helped a little, to where I will bills up to 30 Pei on a long climb butt it will gradually come down.

    What should I check for to see where my problems might be. I will do a dyno next week or so.

    Sent from my Nexus 7 using Tapatalk 2
     
    rshakin, Mar 17, 2013
    rshakin, Mar 17, 2013
    #1
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  3. Mar 17, 2013 #2
    black_dog106

    black_dog106 Road Train Member

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    Do a search on the forum, alot has been posted on this issue
    start with the easy stuff...
    I assume filters are good. You checked turbo hoses, did you check the ATA? Have you checked fuel pressure etc?
    There will be members on here that will be able to give you excellent guidance and help...:biggrin_25514:
     
    black_dog106, Mar 17, 2013
    black_dog106, Mar 17, 2013
    #2
  4. Mar 17, 2013 #3
    CatPowerC15

    CatPowerC15 Medium Load Member

    347
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    Feb 18, 2010
    Siler City, NC
    0
    If the boost is falling gradually while pulling hard, the ATAAC is prob leaking. Like BlackDog said....pressure check that and fuel supply pressure. I bet your ATAAC is leaking
     
    CatPowerC15, Mar 17, 2013
    CatPowerC15, Mar 17, 2013
    #3
  5. Mar 17, 2013 #4
    rshakin

    rshakin Bobtail Member

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    Mar 14, 2012
    0
    I will check the fuel pressure last time at idle when I checked itwas between 70 and 80 psi. How much would a new inter cooler will run me. Any places around Fontana CA that do that.

    Sent from my Nexus 7 using Tapatalk 2
     
    rshakin, Mar 17, 2013
    rshakin, Mar 17, 2013
    #4
  7. Mar 17, 2013 #5
    Flightline

    Flightline Road Train Member

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    I was thinking the fuel pressure should be closer to 100-110. But does sound possible like an air to air cooler leak.
    Have you changed the fuel filters?
     
    Flightline, Mar 17, 2013
    Flightline, Mar 17, 2013
    #5
  8. Mar 17, 2013 #6
    Superhauler

    Superhauler TEACHER OF MEN

    12,209
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    Jan 30, 2010
    keep stroking.
    0
    boost leak, like they said check the clamps, hoses and cac also the elbow that is at turbo it will wiggle around thats normal but the o-rings may be bad. soapy water or windex squirted on all conections at high idle 1600rpm will bubble that will be your leak.
     
    Superhauler, Mar 17, 2013
    Superhauler, Mar 17, 2013
    #6
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