SEN AY-A/F RATIO

Essential Component: Air/Fuel Ratio Sensor

The Air/Fuel Ratio Sensor is a vital component in modern vehicles. This part is crucial for maintaining a balanced air-to-fuel mixture, ensuring optimal engine performance and efficiency. For anyone aiming to maximize fuel economy and minimize emissions, having a functional sensor is indispensable. Without it, your vehicle may struggle with increased fuel consumption and elevated emission levels, impacting both the environment and your wallet.

How the Sensor Works

Located in the exhaust system, this sensor measures the proportion of air to fuel in the vehicle's exhaust stream. It sends accurate data to the engine control unit (ECU),which adjusts the fuel injection system to achieve the best combustion efficiency possible. This continuous feedback loop is critical for the engine to perform at its peak.

Consequences of a Broken Sensor

A malfunctioning sensor can lead to several engine issues. You might experience irregular engine runs, poor fuel mileage, and a significant drop in performance. Ignoring a faulty sensor can also lead to damage in the catalytic converter, a much more expensive repair. An illuminated check engine light can be an early warning sign of this sensor's failure.

Compatible Vehicle Models

• Impreza
• Forester
• Exiga