This DELPHI Mass Air Flow (MAF) Sensor, part number AF10377-12B1, is engineered to precisely measure the amount of air entering your engine's intake manifold. Accurate air flow data is crucial for the engine control unit (ECU) to correctly calculate the amount of fuel to inject, ensuring efficient combustion and optimal engine operation. Replacing a faulty MAF sensor can resolve issues such as rough idling, poor acceleration, decreased fuel economy, and check engine lights. This sensor is built to meet or exceed OE specifications, ensuring reliable performance and a direct fit for your vehicle. Trust DELPHI for quality components that restore your engine's performance and efficiency. Proper installation of the MAF sensor is essential for its accurate function. Ensure the sensor is clean and free from obstructions before installation. Refer to your vehicle's service manual for specific installation instructions and torque specifications.