Oxygen Sensor: Locations

Heated Oxygen Sensor 1 (Front) (Bank 2) / Heated Oxygen Sensor 2 (Rear) (Bank 1) / Radiator / Rocker Cover / Heated Oxygen Sensor 2 (Rear) (Bank 2) / Heated Oxygen Sensor 1 (Front) (Bank 1):

Engine Control Component Parts Location Part 1: