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Started tuning a 2017 sti with ecuflash. Wondering if im just missing more open loop tables and its using a table I can't see. Attached is a list of open loop tables I have and a log.
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Could you please provide a better description what you've changed and observed. A picture of part of a graph is not as useful as the actual log file (.CSV?)
I know that some ECUs will carry over any active closed loop trims when they enter open loop. You should make sure those trims/corrections/compensations are very small when open loop is activated. So if the trim was removing fuel in closed loop then you enter open loop and even though previously tuned, it might run leaner than tuned.
Questions I would like to answer:
How lean are we talking about?
Are we sure the ECU is operating in open loop?
What were the closed loop trims before entering open loop?
Does changing the various open loop tables result in a changes to the measured AFR?
