boost problems want to go back to stock and tune it that way please help drew diagram
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This is a discussion on boost problems want to go back to stock and tune it that way please help drew diagram within the General Maintenance, Troubleshooting & Accidents. forums, part of the Tech & Modifying & General Repairs category; So my car was running great then started getting boost fluctuation. After reading many articles i have come to the ...

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    boost problems want to go back to stock and tune it that way please help drew diagram

    So my car was running great then started getting boost fluctuation. After reading many articles i have come to the conclusion i think whoever installed the mbc did not know what they are doing from what i see because i see non of you guys have it hooked up like this so red flag for me. I just want to go back to stock and buy a coob ap or just get a protune for 500 bills that is cheap insurance that your car is running right. please dont bash me if i am wrong still very new to subaru but learning alot every day. here is the diagram

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  3. #2
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    oh and yes the restrictor pill is there vacuum line was hard right off of the turbo somrthing in the vac line

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    Boost Control FAQ: Read if you are thinking of buying one! - NASIOC

    You can just remove the MBC and insert a vacuum coupling.
    Last edited by Donkey; 01-29-2011 at 02:38 PM.
    Resident Adviser @ WTF Tuning, LLC
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    Is the mbc installed wrong?

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    I used the diagram donkey sent me thanks took about 5 min to uninstall and restore factory boost controller or whatever it is called i dont know the acronym thrown around alot here.

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    Took her for a test drive and she put down 13psi but had a little bit of boost fluctuation but not going to 20psi like it was so much safer now i need to go to dealership to see whats wrong with it.

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