This MEYLE coolant temperature sensor, part number 100 919 0023, is designed to precisely monitor the engine's coolant temperature. Accurate temperature readings are crucial for the proper functioning of the engine management system, influencing fuel injection, ignition timing, and cooling fan operation. By providing reliable data to the vehicle's computer, this sensor helps prevent engine overheating and ensures efficient operation under various driving conditions. Its construction meets stringent quality standards to guarantee durability and consistent performance over time. Replacing a faulty coolant temperature sensor can resolve issues such as poor fuel economy, rough idling, and the check engine light. This MEYLE sensor offers a dependable solution for restoring your vehicle's cooling system to optimal working order.