On bikes that use an O2 sensor in the stock exhaust have a closed loop area that can not be adjusted by the Power Commander alone. If you make adjustments with the PCIII in the closed loop area the O2 sensor will sense these changes and the ECM will alter the fuel curve accordingly. If you want to have full fuel control over the entire RPM range of your bike then you will need to bypass the closed loop area which the O2 eliminators will accomplish. If you are looking for the best fuel economy and not worried about making changed to the closed loop area you can leave the stock O2 sensors connected and still make changes outside of the closed loop area with the Power Commander.
Articles in this section
- Why doesn’t Dynojet offer tunes for snowmobiles?
- What is Knock, Detonation, and Pre-ignition?
- If I live in the United States can I use one of the European maps?
- On my Harley Touring model once in a while my cruise control and 6th gear light will stop working.
- I ride a lot in the rain. Do I need to wrap my Power Commander in a plastic bag?
- I have had a Power Commander on my bike for quite a while and it has been running great. One day it just started running rough (like it was a cylinder was misfiring) so I disconnected the Power Commander and it went away. What could be the problem with th
- If I disconnect my battery will the Power Commander lose it's map?
- I am having trouble starting the engine when the Power Commander is installed.
- My Power Commander came with O2 eliminators, should I use these and what are they?
- My engine makes a popping noise on deceleration, how to I get rid of this?