I don't have a definitive answer but may be able to help some.
I have also removed the AI on my '09 EFI. I disabled (turned off but not removed) the O2 sensors using Tuneboy. But the O2 sensors are still in the headers. I would imagine if you removed the O2 sensors without placing resistors in their place the computer will throw a hissy fit and not want to play. We need someone with more electronics knowledge to chip in here.
I replaced the AI pump with a resistor to get rid of the annoying clicking sound I got with the AI removed but I followed others expertise in determining the correct resistor.
Cheers, Richard ~~~~~~~~~~~~ 09 America, Staintune Pipes, K&N, Breathe, Hagon Nitros, AI & O2 removed, tune 20184 (modified), MTX-L a/f gauge
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