Oxygen Sensor: Locations

IACV-AAC Valve/Heated Oxygen Sensor 1(front)(bank1)/Knock Sensor/Fuel Pressure Regulator:

Heated Oxygen Sensor 2 (rear)(bank 2)/A/T Oil Pan:

Heated Oxygen Sensor 2 (rear) (bank 2)/Crankshaft Position Sensor (OBD):

Engine Control Component Parts Location: