Quote:
Originally Posted by Kodename47
I wasn't implying your scale that you did was off. Just pointing out that you could "fix" your issue by simply changing the O2 sensor scale. From my findings the scales posted on here or in any tunes are not perfect. I have definitely found a variance and are also different to EcuTek's verified scale as well. The OEM sensor can only really be used as a generic indication to what's going on. A little bit of variance is to be expected.
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It was the right decision in the end, though. All the wild and controversial fuel trims stopped to occur. The final fuel trim now settles after a very short amount of time. And it only changes due to weather and or fuel conditions. That's nice to have. And I learned something while having a great time.
Quote:
Originally Posted by Kodename47
I spent ages fine tuning my MAF to the most commonly used O2 scale from on here. Went to the dyno and I was running so lean (like 0.5-1 AFR leaner) on the tailpipe O2 and my AFR curve was nothing like that in my logs.
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That's scary.