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  1. #1
    cconigliaro's Avatar
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    Oct 2011
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    Boca Raton, FL
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    05 R12-X Drops RPM and Boost on Top End

    When I'm full open on my ski, Sometimes it runs fine and other times the boost cuts and the rpms drop a little. It's driving me nuts!!! I watch the speedo go from 67 to 58 when this happens. I have no codes being thrown. I also am using the MacBoost module. Could the MAP sensor be seeing too much boost? If so, is there something that can be done for this. Can you put check valves inline to the MAP sensors? Any help is greatly appreciated.


  2. #2
    AWA MEMBER
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    Jan 2008
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    Currituck, North Carolina, United States
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    Get a intercooler!

  3. #3
    jlfx car audio's Avatar
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    Jul 2011
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    jackson, TN
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    Its getting heat soaked any added boost mods with stock IC will make this happen at some point . Add a intercooler kit from someone and problem solved or cut the macboost back down to a milder tune

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