Cylinder Head Temperature Sensor
#2
I believe it is the one the black arrow is pointing to. Passenger side up against the firewall. May be able to reach it by removing the plastic in the passenger side wheel well.
#3
I believe it is on the rear of the passenger head. Rear as in backside. I believe I knocked this loose while installing my boss intake. I was able to climb in the engine bay and blindly locate it and get it in. Mine is a 2013 fwiw