Quote:
Originally Posted by Sgop335
Lamda bank 1 seems to be the problem...you are running too lean after gear chagne...dangerously lean...fix it first. Fuel injectors or not sure what
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STFT’s aren’t trying to adjust for that variance though. They remained relatively unchanged then they resorted to 0 which is what my tuner referred to when he was talking about fuel mode 15. He said car runs open loop thus ignoring 02’s and that’s why he said they were reading that way.
If you look at STFT’s during those ultra lean events you’ll see it’s not trying to adjust.