I am new to the forum and desperately need someones help.
I recently changed my air filter, to a K&N, and after about 2000 miles driving on it, and an engine spray down, my car started to the throw a CEL or MAL light. I took it to the Auto Zone and had them read the ECU and there were 2 codes, the Air Temp sensor, which was causing the second, atleast I think, a concern with the Air/Fuel sensor. Should I just change the A/T sensor or could it be something else?

I have a 2007 with a little over 70k, yeah I like to drive

Thanks for your help