Discover the Importance of the Air/Fuel Ratio Sensor ⚙️

Maintaining an optimal air/fuel mixture is crucial for the performance and efficiency of your engine. This particular sensor plays a pivotal role in ensuring the correct balance, which is vital for combustion efficiency, reducing emissions, and achieving peak fuel economy. By accurately measuring the oxygen content in the exhaust, this sensor informs the engine's computer to make the necessary adjustments for the optimal mix.

How It Works ?

The air/fuel ratio sensor is positioned in the exhaust stream, where it constantly assesses the oxygen levels in exhaust gases. It compares this data to the oxygen concentration in ambient air. This comparison allows the sensor to send accurate signals to the vehicle's engine control unit (ECU),which then adjusts the fuel injection and ignition timings accordingly. This sensor is essential for keeping your engine running smoothly and efficiently.

Consequences of a Faulty Sensor ⚠️

When this sensor fails, several issues may arise. You might experience poor fuel economy, increased emissions, and a noticeable decrease in engine performance. A malfunctioning sensor can also trigger the check engine light, indicating that immediate attention is required. Ignoring these signs can lead to further damage and costly repairs.

Vehicle Compatibility ?

• Legacy
• Forester
• Wrx/Levorg
• Wrx