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2011 sti boosting problem
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Thread: 2011 sti boosting problem

  1. #1
    Noobinator
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    Default 2011 sti boosting problem

    does anybody have an idea of how to fix this problem? when i floor it and the boost goes it starts lag and boost at the top rpms then i shift. this is from 2nd gear to 3rd gear.

  2. #2
    Suby Talker apsolus's Avatar
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    not sure what your trying to say but if you say you have no boost till high rpm i would think intake or exhaust leak or a weak turbo vgt system. helpme to help you and post something that makes sence bro

  3. #3
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    ok what im trying say is that when it starts boosting it jerks in the middle from 2nd to 3rd and to 4th

  4. #4
    Suby Talker apsolus's Avatar
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    while running through the rev range at around 4-5 grand there is a boost spike? have you moded the car at all? if so try putting the stock stuff back on and see what happens, might just need a tune

  5. #5
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    car is completely stock. have any other ideas?

  6. #6
    Suby Talker apsolus's Avatar
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    i might if you would just explain the problem a little more thourough

  7. #7
    TSF Contributor
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    Sounds like a boost leak. Could also be a faulty bpv. As long as the car is unmolested take it back to Subaru. Put them through the trouble. Warranty work is great.

  8. #8
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    ive fixed a couple of mates cars with this issue one on a TT legacy (turned out to be dirty AFM) and on my own car (which is modified) it was MAP sensor. hope this helps but as they say warranty is great

  9. #9
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    ya i took it to the dealership and they said that it was normal.

    talked to another guy and said that its from the EWG that the 2011 comes with.

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