Essential Engine Air-Fuel Ratio Sensor

Why Is This Sensor Important

This advanced sensor plays a vital role in your vehicle's fuel management system. It monitors the oxygen level in the exhaust gases, supplying real-time data to the engine control unit (ECU). With accurate readings, the ECU adjusts the air-fuel mixture for peak performance and cleaner emissions .

How Does It Work

The sensor detects oxygen amounts before or after the catalytic converter. It sends a voltage signal to the ECU, which instantly fine-tunes fuel injection for efficient combustion. This keeps your ride running smoothly, optimizes fuel use, and helps pass emissions tests .

What Happens If It Fails

A faulty sensor can cause rough idling, engine hesitation, increased fuel consumption, and illuminated engine warning lights. Ignoring the issue may damage the catalytic converter or reduce engine life. Replacing the sensor restores engine balance and saves on costly repairs!

Compatible Models

• M35/45
• G35
• FX35/45