if you have PCV installed, you need to block your O2 sensor, otherwise, anything below 60% throttle will be overwritten by the ECU. It's a closed loop and ECU has the upper hand in adjusting the AFR numbers. Lots of data come after combustion (via O2 sensor) and the ECU decides how to tune the mixture afterward. if you block it, you can utilize all of your map cells.why you want to remove it ?
The best place to plug an O2 sensor eliminator is in the trashcan.i got myself a 02 sensor eliminator, I'm trying to find where it plugs into