The HELLA Mass Air Flow Sensor, part number 8ET 358 095-401, plays a critical role in your vehicle's engine management system. By precisely measuring the volume and density of air entering the intake manifold, this sensor provides essential data to the engine control unit (ECU). This accurate air intake data allows the ECU to calculate the correct amount of fuel to inject for optimal combustion. A properly functioning MAF sensor contributes to smoother engine operation, better fuel economy, and reduced emissions. When a MAF sensor fails or becomes dirty, it can lead to a range of drivability issues, including rough idling, hesitation, stalling, and poor acceleration. HELLA is a trusted brand known for its high-quality automotive components. This sensor is engineered to meet or exceed original equipment specifications, ensuring reliable performance and a precise fit. Regular maintenance and timely replacement of your MAF sensor can help maintain your engine's peak performance and longevity.