RDX L4-2.3L Turbo (2008)
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 warm up three way catalytic converter (WU-TWC), and
sends signal to the PCM which varies the duration of fuel injection accordingly.