Browse Nissan Coolant Temperature Sensors Replacement Cost & Nissan Coolant Temperature Sensor Connector. Discover Best Nissan Temp Senders. Maintaining the Coolant Temperature Sensor (CTS) in your Nissan is crucial for optimal engine performance, as it directly influences coolant regulation and fuel economy. To extend the sensor's lifespan, ensure your coolant is regularly flushed and filled with the manufacturer-recommended type, preventing corrosion and deposits that can impair sensor function. Signs that the CTS may need replacement include erratic temperature readings, check engine lights, and overheating. When selecting a replacement, opt for OEM-grade sensors that offer precision and durability. Installation is straightforward, but always adhere to torque specifications to avoid damage. Enhance your Nissan's efficiency and longevity by choosing the right CTS from our comprehensive online selection.