Accord L4-2.4L (2005)
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Oxygen Sensor: Description and Operation
Air Fuel Ratio (A/F) 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 TWC, and sends signals to the ECM/PCM which varies
the duration of fuel injection accordingly.