This FEBI BILSTEIN Throttle Position Sensor, part number 171423, is designed to precisely measure the angle of the throttle plate. By transmitting this data to the engine control unit (ECU), it allows for accurate fuel injection and ignition timing adjustments. Proper functioning of the throttle position sensor is crucial for smooth acceleration, idle stability, and overall engine efficiency. A faulty sensor can lead to issues such as rough idling, hesitation, poor fuel economy, and check engine lights. FEBI BILSTEIN is known for producing high-quality replacement parts that meet or exceed original equipment specifications. This sensor is engineered for a direct fit, ensuring straightforward installation in compatible vehicle models.