Know nothing about PC except it only adjusts A/F ratio. Thats it. Mine runs perfectly at every rev, throttle opening, Never-found a reason to bother. Im not racing, after extra power, just a good ride. Thats what it does. I can appreciate why needed on dyno, just not for me. My work scan tool doesnt work on 14, does on multiple cars, can see live data and adjust lots. That can really change a cars driving habits. Done on real drive, not dyno. 😎