MakeNumberNameAvailabilityWeight, kgProcessing, daysPrice 
Toyota
8946730040 
SENSOR, AIR FUEL RATIO
30
0.138
 Dispatch 48h
172.01$
 
Toyota
8946730040 
SENSOR, AIR FUEL RATIO
31
0.138
2-3
144.34$
 

Air Fuel Ratio Sensor: Essential for Optimal Engine Performance

The air fuel ratio sensor is a crucial component designed to ensure your engine is running efficiently. It measures the proportion of air and fuel mixture entering the engine, sending this data to the engine control unit (ECU). By doing so, it helps maintain the optimal balance needed for efficient combustion.

Why You Need This Sensor

Maintaining the correct air-fuel ratio is vital for your vehicle's performance and fuel economy. An accurate mixture ensures efficient combustion, reducing emissions and preventing engine knocking. This sensor helps in optimizing the engine's power output and improving miles per gallon, keeping both environmental impact and fuel costs in check.

How It Works

The sensor operates by measuring the concentration of oxygen in the exhaust gases. It utilizes a chemical reaction that generates a voltage signal, which is then interpreted by the ECU. The ECU adjusts the fuel injection rate accordingly, ensuring the correct air-fuel ratio is achieved consistently.

Consequences of a Faulty Sensor

When this sensor malfunctions, it can lead to an imbalance in the air-fuel mixture. Symptoms of a broken sensor include increased fuel consumption, rough engine idling, and a noticeable drop in performance. Long-term consequences can include damage to the catalytic converter, increased emissions, and potential engine failure.

Compatibility

This sensor is specifically designed for several Toyota models, ensuring seamless integration and optimal performance. Ensure compatibility with the following models:

  • Crown
  • Majesta
  • Mark X
  • Reiz

For any driver aiming for peak efficiency and engine longevity, keeping this sensor in optimal condition is non-negotiable. Regular checks and timely replacements ensure your vehicle remains at the top of its performance game.