Boost Problem!!!
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This is a discussion on Boost Problem!!! within the General Maintenance, Troubleshooting & Accidents. forums, part of the Tech & Modifying & General Repairs category; I have a DB 18g with all supporting mods, and a Turboxs FMIC. My boost is set at 18 psi, ...

  1. #1
    Registered User Jason0488's Avatar
    Join Date
    Jan 2005
    Sellersville, PA

    Boost Problem!!!

    I have a DB 18g with all supporting mods, and a Turboxs FMIC. My boost is set at 18 psi, when I do a long gear pull I hit 18, but it wont stay even at 18,(it shakes around there) then after a little bit it sinks to 15/16 psi and stays steady. If I just step on it and go through all the gears I can't get higher then 15/16 psi. I am not sure whats happening?? Please help!!!

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  3. #2
    Registered User SonicYellowWRX's Avatar
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    Aug 2002
    what kind of engine management? how and who tuned it? the problem is in the tuning of the boost. if you get less boost when its warmer, then its the pesky ecu at work. (which can also be tuned, but i have yet to find anyone who can)

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