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Air Fuel Ratio Sensor
The air fuel ratio sensor started appearing on cars with the development of fuel injection systems. The air fuel sensor's job is to monitor the air fuel mixture level. The main advantage of using the air fuel ratio sensor is that the engine control module (ECM) can more accurately meter the fuel, which reduces emissions. The sensor generates a voltage signal based on the amount of oxygen in the exhaust.
Based on driving conditions the air fuel ratio sensor sends information to the engine management computer to make adjustments. These adjustments allow the motor to burn fuel more efficiently and produce fewer emissions. The air fuel ratio sensor increases the performance of your vehicle and reduces fuel consumption. It also helps in maximizing the catalytic converter's life.
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