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Turbo leaking air

Discussion in 'Volvo Forum' started by Tmurphy55, Nov 11, 2024.

  1. Nov 11, 2024 #1
    Tmurphy55

    Tmurphy55 Bobtail Member

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    Nov 11, 2024
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    Detroit 12.7 171702 turbo, pretty new and I’m only getting 20 pounds of boost. I’ve checked all the air connections on the truck and fine, a new air cooler has been put on it, can’t find the leak still?
     
    Tmurphy55, Nov 11, 2024
    Tmurphy55, Nov 11, 2024
    #1
    blairandgretchen Thanks this.
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  3. Nov 11, 2024 #2
    Big Road Skateboard

    Big Road Skateboard Road Train Member

    5,132
    25,280
    May 2, 2021
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    Intake gaskets, air supply hose for compressor, exhaust manifold leaks, turbo mounting gasket/leaks
     
    Big Road Skateboard, Nov 11, 2024
    Big Road Skateboard, Nov 11, 2024
    #2
    blairandgretchen Thanks this.
  4. Nov 11, 2024 #3
    Tmurphy55

    Tmurphy55 Bobtail Member

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    Nov 11, 2024
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    None of those
     
    Tmurphy55, Nov 11, 2024
    Tmurphy55, Nov 11, 2024
    #3
  5. Nov 11, 2024 #4
    Big Road Skateboard

    Big Road Skateboard Road Train Member

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    Then you're not getting fuel, or air, or your reply is in error.

    I'm betting the latter
     
    Big Road Skateboard, Nov 11, 2024
    Big Road Skateboard, Nov 11, 2024
    #4
    blairandgretchen Thanks this.
  7. Nov 11, 2024 #5
    Tmurphy55

    Tmurphy55 Bobtail Member

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    Nov 11, 2024
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    I’m thinking fuel
     
    Tmurphy55, Nov 11, 2024
    Tmurphy55, Nov 11, 2024
    #5
  8. Nov 11, 2024 #6
    blairandgretchen

    blairandgretchen Road Train Member

    12,805
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    Dec 9, 2011
    South west Missouri
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    Problem just occur? What's your normal boost?

    I have '95 with same turbo - pegs 38-40 in dense air, easy 36 most other times.

    What tests have you run - bubbly spray boots and CAC etc?
     
    blairandgretchen, Nov 11, 2024
    blairandgretchen, Nov 11, 2024
    #6
  9. Nov 12, 2024 #7
    Tmurphy55

    Tmurphy55 Bobtail Member

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    2
    Nov 11, 2024
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    I think something is wrong with the ecm to not give it enough fuel
     
    Tmurphy55, Nov 12, 2024
    Tmurphy55, Nov 12, 2024
    #7
    blairandgretchen Thanks this.
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