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  1. 06-29-2016 07:28 PM #1
    pgiuliano98
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    Sputters when given gas and rough idle after turbo replacement

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    So I got a used ko3 from a member on here and put it in today. I'm 99% sure everything is back together the way it should be.. When I turned it on for the first time it had a rough idle and died when I gave it gas. Now this happens...

    After I give it gas the RPMs dive and I can feel the gas pedal pull towards the front of the car. Before putting this in I also tightened the wastegate so there were 3-4 threads left. At first I thought it was just the MAF... Anyone know what the f*ck is going on?


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  2. 06-29-2016 07:35 PM #2
    Radskull1
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    this looks and sounds like a TBA "Throttle body alignment" is needed
    one of those days... every day.

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  3. 06-29-2016 07:41 PM #3
    Radskull1
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    has ur battery been unplugged for a while?
    one of those days... every day.

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  4. 06-29-2016 07:42 PM #4
    Dan[FN]6262
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    stripped out stroker E30 and 98 C230 in middle of a LS/TH400 swap
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    check for boost/vacuum leaks.
    EFR | 7163
    268/260 cams
    I.E. Intake Manifold / 70mm
    Maestro [Dan Shank Super Tune™]
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  5. 06-29-2016 08:15 PM #5
    pgiuliano98
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    The battery wasn't disconnected and all vacuum lines should be in the same condition as before the swap. Could the wastegate be too tight and cause all this to happen?


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  6. 06-29-2016 08:18 PM #6
    mikejones701
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    Hey paz


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  7. 06-29-2016 08:19 PM #7
    Dan[FN]6262
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    no, it wouldn't cause that issue. Sounds like a giant vacuum leak.

    could have possibly installed your MAF backwards if you have a aftermarket turbo inlet intake setup?
    EFR | 7163
    268/260 cams
    I.E. Intake Manifold / 70mm
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  8. 06-29-2016 09:59 PM #8
    Radskull1
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    Quote Originally Posted by Dan[FN]6262 View Post
    no, it wouldn't cause that issue. Sounds like a giant vacuum leak.

    could have possibly installed your MAF backwards if you have a aftermarket turbo inlet intake setup?
    everyone told me my car had a vacuum leak, other than like 1 person, who said to atleast try a TBA first off, Tried it, It was a TBA, same symptoms :) ^^^also it could be the MAF being backwards.
    one of those days... every day.

    Remember to change your blinker fluid it may go bad on you!
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  9. 06-29-2016 11:40 PM #9
    PsorianoPre99A4
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    Quote Originally Posted by Radskull1 View Post
    everyone told me my car had a vacuum leak, other than like 1 person, who said to atleast try a TBA first off, Tried it, It was a TBA, same symptoms :) ^^^also it could be the MAF being backwards.
    lol When I installed a new TIP and Intake set up, my car was doing this when I installed the MAF backwards
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  10. 06-30-2016 11:10 AM #10
    pgiuliano98
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    Well that 1% of uncertainty I had = me forgetting to hook up the charge pipe... Everything is back together and running properly... Thanks for the replies


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  12. 06-30-2016 11:11 AM #11
    Dan[FN]6262
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    My Garage
    stripped out stroker E30 and 98 C230 in middle of a LS/TH400 swap
    Location
    South Central PA

    there was your giant ass vacuum leak. LOL
    EFR | 7163
    268/260 cams
    I.E. Intake Manifold / 70mm
    Maestro [Dan Shank Super Tune™]
    BoostManager+
    Meth Head
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