This BOSCH Mass Air Flow (MAF) Sensor, part number 0 280 218 266, is engineered to accurately measure the amount of air entering your engine. By providing critical data to the engine control unit (ECU), it allows for precise adjustments to fuel injection and ignition timing. Proper functioning of the MAF sensor is essential for maintaining optimal engine performance, improving fuel economy, and reducing emissions. A faulty MAF sensor can lead to various drivability issues, including rough idling, hesitation, stalling, and poor acceleration. Trust in BOSCH's commitment to quality and precision engineering for a reliable replacement part. This sensor is designed to meet or exceed original equipment specifications, ensuring a seamless fit and dependable operation.