Originally Posted by elementsenjoi
My rear o2s are turned off with my tune from Rogue. So you could get yourself a tuner and make sure to tell whoever writes your tunes to delete the rear o2s.
On Mitsubishi and Subaru roms, if you disable the rear o2 bit, it won't throw a cel, but it won't show readyness unless you force it. I don't know if his ford is the same way, but many oems are.