The TOPRAN 305 191 is a high-quality crankshaft position sensor, also known as an impulse sender. This component plays a crucial role in your vehicle's engine management system by detecting the rotational speed and position of the crankshaft. Accurate crankshaft position data is essential for the engine control unit (ECU) to precisely time fuel injection and ignition events. A malfunctioning sensor can lead to various drivability issues, including rough idling, stalling, poor acceleration, and even a no-start condition. Designed as a direct replacement for the original part, the TOPRAN 305 191 offers a reliable solution to restore proper engine function. Its construction meets stringent quality standards to ensure durability and consistent performance under various operating conditions.