Trouble code P1416 means: AIR System Bank 2
Look for a leak in the port-side vacuum.
Trouble code P1416 means:Secondary air injection (AIR) system
Trouble code P0463 means:Fuel level sensor circuit,high input
AnswerTry Code 0000 this is the stock code unless someone changed it
Trouble code P0463 means:Fuel level sensor circuit,high input
Google the code and you will have the answer.
Idle speed is 200 rpm higher than normal . Possible vacuum leak.
That is a manufacturers code and not in my book but if you google "chevrolet diagnostic code p1415" it should steer you in the right direction. I think it is probably a vacuum leak somewhere. Good luck.
Air Injection Check Valve ( Passenger side bank 2)
Replace the check valve on the secondary air injection system on the passenger side
Trouble code P0330 means: Knock Sensor 2 Circuit (Bank 2) Replace the knock sensor
misfire