Understanding the Importance of the Air Fuel Ratio Sensor ?

The air-fuel ratio sensor is indispensable for the efficiency of your car's engine. This component plays a pivotal role in the combustion process by ensuring the amount of fuel burned is optimal, thus improving performance and reducing emissions. Essentially, it acts as the guardian of your engine's efficiency, monitoring the blend of air and fuel to achieve the best possible combustion.

How Does the Air Fuel Ratio Sensor Work?

Installed in the exhaust system, this sensor constantly communicates with the engine control unit (ECU). It sends precise voltage signals reflecting the current air-fuel mixture. The ECU then uses this data to adjust the fuel injection and ignition timing, ensuring that the engine operates smoothly and economically, with reduced pollution output.

Consequences of a Faulty Air Fuel Ratio Sensor

A malfunctioning sensor can lead to poor fuel mileage, increased emissions, and potential damage to the catalytic converter. If the sensor fails, the ECU resorts to a default setting, resulting in a richer fuel mix, which can cause the engine to run inefficiently, leading to elevated emissions and possibly engine knocking.

Compatible Car Models

• Corolla
• Corolla Sed/Wg
• Corolla/Altis
• Wish