Where is the Car Water Temperature Sensor Located?

1 Answers
StCorbin
07/29/25 10:17pm
Car water temperature sensor is installed on the water jacket of the engine block or cylinder head, in direct contact with the coolant, and is used to measure the temperature of the engine coolant. More information about the water temperature sensor is as follows: 1. Principle: The interior of the car water temperature sensor is a thermistor, where the lower the temperature, the greater the resistance. 2. ECU: The electronic control unit measures the temperature of the engine coolant based on this change; the lower the temperature, the greater the resistance, and vice versa. This serves as a correction signal for fuel injection and ignition timing. The engine water temperature can indicate the current operating state of the car, whether it is stopped or moving, or how long it has been running.
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