BTW, these are some of the codes you would normally get when an O2 sensor starts to fail.
P0130 Heated O2 Sensor Circuit Malfunction (Bank 1, Sensor 1)
P0131 Heated O2 Circuit Low Voltage (Bank 1, Sensor 1)
P0132 Heated O2 Sensor Circuit High Voltage (Bank 1, Sensor 1)
P0133 Heated O2...