HO2S Bank 1 and Bank 2 Sensor 1

The scan tool displays a range of 0-1,106 mV. The Heated Oxygen Sensor (HO2S) bank 1 and bank 2 sensor 1 parameter represents the fuel control exhaust oxygen sensor output voltage. The voltage fluctuates constantly within a range between 10 mV, and 1,000 mV, while operating in Closed Loop.