This MEAT & DORIA coolant temperature sensor, part number 82190, is designed to provide precise readings of your engine's coolant temperature. Accurate temperature data is crucial for the engine control unit (ECU) to manage fuel injection, ignition timing, and cooling fan operation. A faulty sensor can lead to poor fuel economy, engine overheating, or starting issues. This sensor is built to meet or exceed original equipment specifications, ensuring reliable and long-lasting performance in your vehicle.