How Do Air Fuel Ratio Sensors Work?

How Do Air Fuel Ratio Sensors Work?? How many wires does a wideband sensor have? 6 wires What is the difference between oxygen sensors? The upstream oxygen sensor is situated before the catalytic converter whereas the downstream oxygen sensor is located after the catalytic converter. The upstream sensor monitors the level of pollutants in the … Continue reading How Do Air Fuel Ratio Sensors Work?