TL V6-3.5L (2007)
Oxygen Sensor: Description and Operation
Air Fuel (A/F) Ratio Sensor
Air Fuel Ratio (A/F) Sensor
The A/F sensor operates over a wide air/fuel range. The A/F sensor is installed upstream of the WU-TWC, and sends signals to the ECM/PCM which
varies the duration of fuel injection accordingly.
