speeddemon2588
Well-Known Member
Hello Everyone. I have a question, how many of you left your O2 sensor connected when you installed your power commander? Results? I ask because I have been having a hell of a time dialing in my maps for temp changes. Since the PC does not measure manifold pressure the maps can't compensate for pressure changes due to temp. If my understanding is correct the PC is intermediate from the ECM to the injectors, it holds the injectors open/closed based on the map and input from ECM. If that is right then the O2 sensor would still be a vital piece in the system. Regardless of what mods you have the O2 would tell the ECM if you're running rich/lean then the PC would adjust as necessary before the injectors received the signal. I just finished the EXUP delete using an RC circuit (Thanks to Cmarques)and while I was down there I decided to connect the O2 sensor again, from the short 10-15 mile ride I notice the bike felt "smoother" throughout the range. This could be the placebo effect, so please weigh in and correct me if I'm wrong. Thanks
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