The DELPHI Mass Air Flow Sensor (AF10732-12B1) is engineered to precisely measure the amount of air entering your engine. This critical data is then sent to the engine control unit (ECU) to determine the correct amount of fuel to inject for efficient combustion. Proper functioning of the MAF sensor is vital for maintaining optimal engine performance, fuel economy, and emissions control. A faulty sensor can lead to various drivability issues, including rough idling, hesitation, poor acceleration, and increased fuel consumption. DELPHI is a trusted brand known for its quality automotive components. This mass air flow sensor is designed to meet or exceed original equipment specifications, providing a reliable replacement part for your vehicle.