Help! Turbo varies speed while throttle is held wide open - Page 2
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This is a discussion on Help! Turbo varies speed while throttle is held wide open within the General Maintenance, Troubleshooting & Accidents. forums, part of the Tech & Modifying & General Repairs category; cat back/ K and N filter otherwise stock thanks...

  1. #16
    Registered User Findus11's Avatar
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    cat back/ K and N filter
    otherwise stock
    thanks
    Last edited by Findus11; 09-21-2008 at 04:56 PM.
    Hawk Eye #1991
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  3. #17
    Is in Love With the Admins Here 20WRX04's Avatar
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    Quote Originally Posted by Donkey View Post
    I would buy a Tactrix cable.It makes a great diagnostic tool even if you have know idea what your looking at.You can log the car and post the datalog allowing more experienced people to look and see almost exactly what is going on by the parameters logged.Do you have a boost gauge?So either your overboosting,which you should be hitting the fuel cut and possibly getting a CEL.Or you are just getting boost oscillations and the wastegate arm needs to be adjusted.But in order to tell the difference between the two you would need a boost gauge.If the car is completly stock including exhaust I don't think it's overboosting due to so much back presssure.
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  4. #18
    Registered User Findus11's Avatar
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    i have a boost gauge

    it just surges 11-6-11-6 etc
    Hawk Eye #1991
    Dirty Crew #11
    Military Militia #1991
    I still don't know how I got this car...

  5. #19
    Is in Love With the Admins Here 20WRX04's Avatar
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    Quote Originally Posted by Donkey View Post
    buy a Tactrix cable if you have a lap top.It makes a great diagnostic tool even if you have know idea what your looking at.You can log the car and post the datalog allowing more experienced people to look and see almost exactly what is going on by the parameters logged.So either your overboosting,which you should be hitting the fuel cut and possibly getting a CEL.Or you are just getting boost oscillations and the wastegate arm needs to be adjusted.
    Any CELs?
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  6. #20
    Registered User Findus11's Avatar
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    Quote Originally Posted by 20WRX04 View Post
    Any CELs?
    nope
    its clean
    Hawk Eye #1991
    Dirty Crew #11
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    I still don't know how I got this car...

  7. #21
    Is in Love With the Admins Here 20WRX04's Avatar
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    Quote Originally Posted by Findus11 View Post
    nope
    its clean
    It's hard to diagnose over the internet w/o any CELs or any mods that could cause your issues. I'd say bring it to the dealer. It's a stock 07, so it should still be covered. Good luck.
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  8. #22
    Registered User Findus11's Avatar
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    ok thanks man
    Hawk Eye #1991
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