This Mass Air Flow (MAF) sensor from TOPRAN is designed to accurately measure the volume and density of air entering your engine. 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 optimal engine performance, fuel economy, and reducing emissions. Symptoms of a faulty MAF sensor can include rough idling, poor acceleration, increased fuel consumption, and the illumination of the check engine light. This TOPRAN MAF sensor (part code 114 238) is engineered to meet or exceed original equipment specifications, ensuring reliable and consistent performance. It is a direct replacement for the original part, making installation straightforward for mechanics and DIY enthusiasts alike.