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  • N54: Help! What causes STFT to read 0?? Datazap log inside.

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    1. 05-17-2016, 01:04 AM #1
      zeeth2800
      zeeth2800 is offline Member
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      Help! What causes STFT to read 0?? Datazap log inside.

      Looking for advise!

      I am fighting an issue with my car where the STFT in bank 2 are completely zeroed out and AFRs are all over the place. Wondering where to start with and what you suggest doing. The 02 sensors are new and part of me is wondering if I got a dud. Notice towards the end of the log STFTs come back on and the lambda corrects to normal.



      http://www.datazap.me/u/zeeth2800/codes-diag?log=1&data=1-15-16-20-21-22
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    2. 05-17-2016, 02:31 AM #2
      andy_divers
      andy_divers is offline Guest Vendor
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      Zero trims are from the car switching to open loop after a period of maxed trims.
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