Thank you Mike! That makes sense. Is the - percentage to add boost also the same concept?

I am currently logging and tuning my srt4 and am alittle confused by one thing. When i go to add wot fuel when i go towards "rich" the percentage goes negative but when I go towards "lean" it goes to a positive percentage. Which percentage is adding fuel? I assume its when I go towards rich but why ...

I received my intune i2 today for my 2005 srt4 neon. I read all the instructions and followed them carefully. First I updated it and downloaded the data log viewer. Then went to my car to install the 93 octane tune. Everything seemed to go completely smooth and once everything was done and the tuner ...