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Thread: S52 Turbo O2 Code

  1. #1
    Join Date
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    S52 Turbo O2 Code

    Hey guys, I keep getting a code for an o2 sensor on my Turbo m3 (sensor 2 bank 1). I am only running the primary o2 in the downpipe. How can I eliminate this code? Thanks!

  2. #2
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    e36 328i turbo
    Quote Originally Posted by crivers811 View Post
    Hey guys, I keep getting a code for an o2 sensor on my Turbo m3 (sensor 2 bank 1). I am only running the primary o2 in the downpipe. How can I eliminate this code? Thanks!
    Running on the OEM DME?

    Contact your tuner if you have on
    Check the romraider Forum if you are tuning yourself.

  3. #3
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    Already took it to my tuner twice.. he said he fixed it but still a check engine light!


    Sent from my iPhone using Tapatalk

  4. #4
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    Quote Originally Posted by crivers811 View Post
    Already took it to my tuner twice.. he said he fixed it but still a check engine light!


    Sent from my iPhone using Tapatalk
    hmm...

    sensor 2 bank 1 is your post cat O2 sensor, do you get code P0420?
    it should be fairly easy to write this out of the ECU code.

    check your PM.

  5. #5
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    I think your tuner knows what he is doing. no personal experiences with them. but they have done more tunes that the only one I did.

    I don't know what can cause this other than that the post cat O2 sensor is not written out of the code properly.

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