Engine Cooling Fan Sensor

Discussion starter 1 4 mo ago edited hello i have been suspecting that my cooling fans never come on.

Engine cooling fan sensor.

The coolant temperature sensor is one of the most important engine management sensors as its reading plays a key role in calculations which affect engine performance. The cooling fan which is behind the radiator grille removes heat from the engine s coolant. Joined 8 mo ago 30 posts. Diysave10 online ship to home orders only duralast cooling fan switch radiator sw1123.

I have my 1986 fj60 gasoline in the shop having the carb rebuilt. Your cooling fan switch activates your fans to cool your radiator. If the fan receives a false signal the fan might not turn on causing the engine to overheat. Fan thermostat temperature switch with 3 8 pipe thread 185 to 175 degree electric engine cooling fan thermostat temperature sensor switch fits 10 12 14 16 fan with pipe thread.

The engine coolant sensor or a separate engine temperature switch is used to monitor engine temperature. For this reason if you. Engine coolant fan sensor switch. Fan thermostat temperature switch with 3 8 pipe thread 185 to 175 degree electric engine cooling fan thermostat temperature sensor switch fits 10 12 14 16 fan with pipe thread.

Without a properly operating cooling system the engine will run hot which will cause the engine to operate inefficiently and may result in serious damage. Extra cooling is not needed when a cold engine is first started. A coolant temperature sensor is a vital part of an automobile engine s cooling system. This fan is electrically controlled and relies on the signal from the onboard computer.

He replaced the wire and then told me that the sensor is bad because it will not go to ground when hot and that it needs to be replaced. If you ve experienced these problems check your cooling fan and switch. So the engine cooling fan does not come on until the engine reaches normal operating temperature. Some vehicles have a separate coolant temperature sensor for the fan but a lot of cars use the same sensor.

Symptoms of a faulty cooling fan switch include an overheated engine and an active check engine light.