Genuine Nissan Titan Coolant Temperature Sensor

The Coolant Temperature Sensor in your Nissan Titan monitors how hot the coolant is that is circulating through the engine and sends this information in real time to the engine control module. The Coolant Temperature Sensor, which is threaded into a coolant passage, has a direct interface with the fluid and is therefore able to register temperature change. It works like an NTC thermistor, whose resistance decreases with increasing temperature; the module delivers a 5-volt reference and evaluates the returned voltage to gauge the precise coolant temperature. The Coolant Temperature Sensor is responsible for controlling fuel delivery and ignition timing along with many other cycles for the Titan in the Nissan line. The computer uses information from the Coolant Temperature Sensor to vary injector pulse width for richer mixtures when cold while also increasing idle speed to prevent stalling. The computer also switches the electric cooling fan on or off. Only once the engine warms do the temperature readings enable exhaust gas recirculation, evaporative emission purge, and torque converter clutch operation. Nissan has added Coolant Temperature Sensor to keep the Titan combusting efficiently, driving smoothly and protected from overheating in all Nissan Titan models.

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