The TOPRAN 623 133 crankshaft pulsesensor is a critical component for your vehicle's engine management system. It accurately detects the rotational speed and position of the crankshaft, providing essential data to the engine control unit (ECU). This sensor plays a vital role in ignition timing, fuel injection, and overall engine performance. A malfunctioning pulsesensor can lead to rough idling, stalling, poor fuel economy, and the check engine light illuminating. Crafted by TOPRAN, a reputable manufacturer of automotive parts, this pulsesensor is built to meet stringent quality standards. Its durable construction ensures long-lasting operation under various engine conditions, offering a reliable replacement for your original part.