Hello, I have three codes P015, P0463, P1153 on my 2000 Chevrolet 3500

Question

i want to know if the P0463 the fuel level sensor A ckt high input could be affecting my 02s 2/1 voltage and also the switching?
i think i have a bad 02s but i also have a wandering fuel level guage. and with the P0463 code im not sure if that would affect the 02 readings? i dont think it should, i would asume the fuel level sensor would only affect the guage and not the performance of the vehicle.