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C15 acert boost pressure

Discussion in 'Trucks [ Eighteen Wheelers ]' started by BAYOU, Jan 17, 2014.

  1. Jan 17, 2014 #1
    BAYOU

    BAYOU Road Train Member

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    So a few people on here know I stepped up to a 07 W900 C15 550hp/1850tq 13speed 325 rears on LP22.5s something don't seem right first thing I can only put 30 psi to the gauge no check engine light we checked the injectors and actuators all checked out fine next thing I'm going to check is the CAC anything else I should look at?
     
    BAYOU, Jan 17, 2014
    BAYOU, Jan 17, 2014
    #1
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  3. Jan 17, 2014 #2
    DL550CAT

    DL550CAT Road Train Member

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    Pull the elbow (exhaust side) between the turbos off. Get a strong light and look at the tips of the wheel on the top turbo. You need to look at the widest part of the wheel. If they are jagged you've had a piece of exhaust sleave go through it. Also make sure there are no exhaust leaks at the manifold.
     
    DL550CAT, Jan 17, 2014
    DL550CAT, Jan 17, 2014
    #2
  4. Jan 17, 2014 #3
    DL550CAT

    DL550CAT Road Train Member

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    I just seen where you posted only getting 3 mpg. I'd look real close at the turbos.
     
    DL550CAT, Jan 17, 2014
    DL550CAT, Jan 17, 2014
    #3
  5. Jan 17, 2014 #4
    morehp

    morehp Medium Load Member

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    What is EGT doing ????
     
    morehp, Jan 17, 2014
    morehp, Jan 17, 2014
    #4
  7. Jan 17, 2014 #5
    BAYOU

    BAYOU Road Train Member

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    Don't have a gauge
     
    BAYOU, Jan 17, 2014
    BAYOU, Jan 17, 2014
    #5
  8. Jan 17, 2014 #6
    morehp

    morehp Medium Load Member

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    With that mpg your getting something is defiantly wrong, send me a pm il try my best to help you through it
     
    morehp, Jan 17, 2014
    morehp, Jan 17, 2014
    #6
  9. Jan 17, 2014 #7
    BAYOU

    BAYOU Road Train Member

    2,847
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    Sep 23, 2010
    Beaumont,Tx
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    It's getting 3.7 local
     
    BAYOU, Jan 17, 2014
    BAYOU, Jan 17, 2014
    #7
  10. Jan 17, 2014 #8
    Oscar the KW

    Oscar the KW Going Tarpless

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    Why not keep it out here in the open that way others who might be experiencing similar problems can gain from it as well.
     
    Oscar the KW, Jan 17, 2014
    Oscar the KW, Jan 17, 2014
    #8
    rickybobby, BAYOU and rank Thank this.
  11. Jan 17, 2014 #9
    Oscar the KW

    Oscar the KW Going Tarpless

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    When you are checking the CAC also check the expansion joints between the turbos for cracks.
     
    Oscar the KW, Jan 17, 2014
    Oscar the KW, Jan 17, 2014
    #9
  12. Jan 18, 2014 #10
    morehp

    morehp Medium Load Member

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    To be honest I wouldn't be telling him much more than i have said in one of my most recent posts. But I would have given him my email address if he got stuck with anything, as I check that more often than the forum.
     
    morehp, Jan 18, 2014
    morehp, Jan 18, 2014
    #10
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