This BOSCH Mass Air Flow (MAF) Sensor, part number 0 280 218 440, is engineered to deliver accurate air intake measurements to your vehicle's engine control unit (ECU). By precisely measuring the amount of air entering the engine, the MAF sensor allows the ECU to calculate the correct amount of fuel to inject. This optimization is crucial for maintaining smooth engine operation, improving fuel economy, and reducing emissions. BOSCH is a trusted name in automotive components, known for its commitment to quality and performance. This sensor is designed to meet or exceed original equipment specifications, ensuring reliable and long-lasting service. Proper functioning of the MAF sensor is vital for overall engine health. Symptoms of a failing sensor can include rough idling, poor acceleration, increased fuel consumption, and illuminated check engine lights.