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  1. #1
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    1 out of 1 members liked this post. Yes Reputation No

    Not Hitting full boost

    Hello and thanks for the future help anyone of you will be giving. First off will be mods; JB4 Stage 2 (iso mod, latest update, and flex fuel wires), Wagner FMIC, AR DP, Foam Air-filter, and Berks Street Exhaust.

    I am currently on map 2, and I can only seem to hit 9lb of boost max. I am thinking I have a either a vacuum leak but I was thinking it would of thrown a code, or maybe my waste-gate arm is hitting my DP clamp. I havent had a chance yet to put it on a lift to check and I have only checked a few lines to see if they were bad. Any help with that would be great.

    Now I have also checked to see if my FMIC was connected properly and it seems to be good. Also, i thought it might be my stock CP but it seems to be holding strong. Any help would be appreciated. Anyways, have a great X-mas and stay safe!

  2. #2
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    log/check for codes before any further diagnosis can be done.
    08 328i, totaled by women driver
    07 335i, lots of mods.
    Now- 14 Focus ST
    Click here to enlarge

  3. #3
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    Oh yea, no codes besides the regular ones have been thrown.

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    Have you talked to @Terry@BMS?

  5. #5
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    Click here to enlarge Originally Posted by i35it Click here to enlarge
    Oh yea, no codes besides the regular ones have been thrown.
    Regular ones? Like which ones? My Cobb throws no codes, period.

  6. #6
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    Just the no cat, and something else thats not important. I have put my Er CP on and hoped it was just a crappy stock CP but it still only builds boost to 10 on map 2. So my next step will be to check if the DP c-clamp is sitting wrong and hitting the waste gate arm.

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