Hi Steve, I din't change the VE values. I altered all 3 AFR maps during the last week more os less simultaneously. With this tune i was able to lean the rx8 to 0.8 in hight load and rpm operations. 6500-9000rpm. with load between 0,875 and 0,98. Unfortunately it's not clear to me when which of the m...

Hi Steve,

this would match with my observations. I altered only the maps 2 and 3 but this did not give the results I expected.

Let me know if there is some progress when and how these operation points apply.

Johannes.

Hi, does anyone already know under which conditions the ECU is using which one of the three maps? To me it's not clear, also from the logs, which one of the maps is used for calculation of the air fuel ratio during driving. For the Idle Speed Curves 1-7 it seem to be somehow time-based. The ECU inte...