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I tried to do the rescale from memory, just put an OEM scale into it and:
MaxV is the maximum voltage
Max Unchanged should be left as 2.5v
MinV is the lowest reading you see when running, or just below.
Is the AFR swinging even an issue? Could it be the result of something else? If it bothers you that much and you are always keeping an eye on it, you could just disable the LTFT..... If it's just LTFT is open loop then maybe adjust the fuel trim boundaries. I never found the reason why the split injectors caused odd LTFT at higher RPM
That is correct about the ELC, you could adjust that and see what happens. I use the same log to rescale the MAF and then adjust the ELC after.
Flat AFR targets, yes just for scaling. The leaner the better as the O2 sensor will be slightly more accurate.
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