This DELPHI coolant temperature sensor, part number TS10248-12B1, is designed to provide precise measurements 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, all of which contribute to optimal engine performance, fuel economy, and emissions control. Crafted with high-quality materials and subjected to rigorous testing, this sensor offers reliable and consistent performance. It is engineered to meet or exceed original equipment specifications, ensuring a direct fit and seamless integration with your vehicle's existing cooling system and electrical components. Replacing a faulty coolant temperature sensor can resolve issues such as poor starting, rough idling, overheating, or incorrect gauge readings.