The DELPHI Mass Air Flow (MAF) Sensor, part number AF10406-12B1, is engineered to provide critical data to your vehicle's engine control unit (ECU). By accurately measuring the amount of air entering the engine, the MAF sensor allows the ECU to determine the correct amount of fuel to inject for efficient combustion. This sensor plays a vital role in maintaining optimal engine performance, fuel economy, and emissions control. A malfunctioning MAF sensor can lead to various drivability issues, including rough idling, hesitation, poor acceleration, and increased fuel consumption. Replacing a faulty sensor with a quality part like this DELPHI unit can restore your vehicle's performance and efficiency. DELPHI is a recognized brand in the automotive industry, known for producing high-quality components. This AF10406-12B1 sensor is designed to meet or exceed original equipment specifications, ensuring a proper fit and reliable function. Installation typically involves locating the sensor in the air intake system and connecting its electrical connector.