Advanced Air-Fuel Ratio Sensor

The accurate measurement of the air-fuel mixture is crucial for your vehicle's engine performance, fuel efficiency, and emissions control. This sensor takes a pivotal role in modern vehicles, ensuring that the engine runs efficiently by adjusting the air-to-fuel ratio in the combustion chamber.

Importance of the Sensor

Without a properly functioning sensor, the engine control unit (ECU) wouldn't have the precise data needed to maintain optimal combustion. This could lead to poor fuel economy, higher emissions, and even potential damage to the catalytic converter.

Operational Mechanics

Placed within the exhaust system, the sensor continuously monitors the level of oxygen in the exhaust gases. It sends vital information back to the ECU, which adjusts fuel injection accordingly to maintain the right air-fuel balance. This vital feedback loop ensures that the engine operates smoothly and efficiently.

Consequences of Failure

If this crucial part is faulty, you might experience rough idling, engine misfires, or poor acceleration. A defective sensor can cause the ECU to make incorrect air-fuel adjustments, leading to inefficient combustion, increased pollutant emissions, and ultimately, potential engine damage.

Compatibility List

• Impreza
• Forester
• Exiga

Keeping this part in optimal condition is essential for the longevity and performance of your vehicle. Regular checks and timely replacements can save you from costly repairs.