This Mass Air Flow (MAF) sensor from CONTINENTAL/VDO is designed to accurately measure the volume and density of air entering the engine's intake system. By providing this critical data to the engine control unit (ECU), it enables precise adjustments to the fuel injection and ignition timing. A properly functioning MAF sensor is essential for maintaining smooth engine operation, improving fuel efficiency, and reducing emissions. Symptoms of a faulty MAF sensor can include rough idling, hesitation during acceleration, poor fuel economy, and illuminated check engine lights. This sensor is engineered to meet or exceed original equipment specifications, ensuring reliable performance and a direct fit for your vehicle. Trust in CONTINENTAL/VDO's expertise for quality engine management components.