Frontier XE King Cab 4WD V6-3.3L (VG33E) (2002)
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)