The DELPHI Mass Air Flow (MAF) Sensor, part number AF10561-12B1, is engineered to provide precise air intake measurements. This data is vital for the engine control unit (ECU) to calculate the correct amount of fuel to inject, ensuring efficient combustion and power delivery. By accurately sensing the volume and density of air entering the engine, this sensor helps maintain optimal air-fuel ratios under various driving conditions. This leads to improved fuel economy, reduced emissions, and smoother engine operation. Replacing a faulty MAF sensor with this DELPHI unit can resolve issues such as rough idling, poor acceleration, engine stalling, and check engine lights. It is designed to meet or exceed original equipment specifications for a reliable fit and function.