They said that all I have to do is input zeros for the target AFR and that will disable the AT for those cells, so it seems that it is an easy enough fix. Bottom line is that it runs great everywhere but at 2% at low rpm. They had a couple of thoughts on why Autotune might be making it lean (although I don't think it pertained to my problem). Is there anyone else out there with this same problem? I guess for now I will just have to save a good working map and keep reinstalling it on my bike when it starts running poorly again. I will have to check it after a couple of rides to see if it continues to do the same thing again. I went ahead and changed both 2% and 5% columns to all zeros and it runs great again at the low throttle settings. The base map had it set for -15 at 2% at 2000 rpm and eventually changed that to -52. The base map had it set for -14 at 2% at 1750 rpm but Auto Tune eventually changed it to -41. Ran awsome above the 5% and idled great at 0%. It would go from 1700/1800 rpm at idle to 1100/1200 rpm when the throttle would hit 2% to 5% and then surge up to 2000 rpm and back down as low as 1100 rpm. I couldn't tell that much when I was riding on the road but when I took it off road, I had to use the clutch a lot more than usual because of the erratic rpm change. After 3000 rpm it actually made it richer by quite a bit (I think due to my heavy wrist). This seemed to be a problem at the lower rpm range, esp. I checked the different maps that it automatically created and found the same problem that you did, at 2% and 5% the auto tune continued to lean it out even though I had it set for 13.2 afr.
I too have come to find out that my Power Commander with Auto Tune ran great for a little while and then started running baddly at low throttle settings.
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