300M V6-3.5L VIN G (2000)
Oxygen Sensor: Locations
Engine Compartment/Exhaust System
HO2S 1/1
HO2S 2/1
This engine uses two upstream heated oxygen sensors. One oxygen sensor is threaded into the outlet flange of each exhaust manifold.
HO2S 1/2 And 2/2
The downstream heated oxygen sensors are located at the outlet ends of the catalytic converter.