Wideband Oxygen Sensor for Precise Fuel Control ⚙️

Why Is This Sensor Important

This advanced air-fuel ratio sensor helps your engine balance the perfect fuel and air mix. A correct mix ensures strong performance, good fuel economy, and reduced harmful emissions. The unit reads exhaust gases, giving your car’s computer instant feedback to adjust fuel delivery.

How Does It Work

Placed in the exhaust manifold, the sensor detects oxygen levels in exhaust gases. It sends signals to the ECU, which compares the reading to the ideal ratio. If needed, the fuel injection is adjusted in real time. This process is critical for both everyday driving and spirited performance.

What If It Fails

A faulty sensor triggers the engine warning light and can cause rough idling, poor acceleration, and high fuel consumption. It may even lead to failing emissions tests, as the engine can’t maintain a clean burn without accurate oxygen measurement.

Compatible Models

• 86
• 86 Grmn
• Gt86/86
• Scion Fr-S/86