o2 sensor and open/closed loop

[llms07]

so after doing research I think I got it down, if I disable my o2 sensor then I have to run ewcu on open loop right? Or am I supposed to run on closed loop. I don't have any o2 sensors they are plugged.

[Spunkster]

An oxygen sesnsor is required to run in closed loop.

http://www.hondata.com/techclosed.html