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Thread: Sts turbo and Throwing codes please come in...

  1. #1
    Tuner in Training
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    Apr 2006
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    Sts turbo and Throwing codes please come in...

    Ok im driving a 05 gto with an sts turbo have 2 step colder plugs in , 47lb injectors, no cats and has been tunned with hpt by my brother.
    Lately usually when its in the afternoon il drive my car for a while (90-100 degree weather) my idle only when at a stop will drop below 500 rpm and the boost/vac gauge also will drop to 13-12 on the vac side which normally stays at 15. Then my feels lie it has a bigger cam from the idle... shortly after my chk engine light comes on. It did this the other day for the first time (the CEL came for the first time i meant) but the check engine light went off couple hours later.



    The codes thrown are....
    171-to lean
    131-02 sensor
    131-bank 1 to lean
    133
    300-multiple misfires...
    420-catalyst something bank1 and 2
    430-bank 2

    anybody else have this problem??
    __________________

    Mods: 2005 A4
    Hp Tuners Pro
    STS Turbo Kit GT67,LPE 47lb injectors, and stock fp
    Best ET: [email protected] (2.0x60ft)before sts...
    12.5@114 (2.0x60ft) with sts 5lbs.

  2. #2
    Tuner in Training
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    Apr 2006
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    Update i drove the car alittle and the chk engine light is still on but it blinked 3 times .... wtf does this mean..

  3. #3
    Senior Tuner Russ K's Avatar
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    Dec 2005
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    Regina, Sask.
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    4,213
    Since you don't have cats, go to the engine diagnostics > DTCs and set P420 & P430 to 3 no error reported and remove the check mark from the SES enable box. The P0131, P0133 & P0171 codes are for a fueling problem on bank 1 (right side) The P0300 missfire is probably caused by the fueling problem. Vacuum leak? I think you have a stock cam?

    Russ Kemp

  4. #4
    Tuner in Training
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    yes stock cam