Nissan 22630-ZJ70A Engine Coolant Oil Temperature Sensor

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ECT sensor is to be fitted on a water outlet which is present where the upper side of the radiator hose is attached to the engine and the position of the sensor on the engine is left side. Firstly, it is recommended to have the engine cover and the air intake duct removed. Due to the high rate possibility of the splashing of the engine coolant, then drain some of the engine coolant. Then, release the connector from the ECT sensor harness and unthread the sensor from the engine; throw away the sealing washer since it needs to be replaced after that. Last of all, installation is done in opposite with the removal directions and probably the cooling system of the computer needs to be refilled.

The components include the throttle potentiometer, mass airflow sensor, valve timing control solenoids, inlet air temperature sensor, camshaft position sensors, crankshaft position sensor, coolant temperature sensor, electronic control unit, knock sensor, air conditioning pressure sensor, manifold pressure sensor, and high-pressure fuel pump.

To remove the sensor, disconnect the battery negative terminal and partially drain the cooling system. Disconnect the wiring connector and unscrew or remove the sensor from the coolant housing. Check the sealing ring and replace if necessary.