Engine Cooling Fan Sensor

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

Engine cooling fan sensor.

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 the fan receives a false signal the fan might not turn on causing the engine to overheat. If the switch isn t working it should be replaced. The engine coolant sensor or a separate engine temperature switch is used to monitor engine temperature.

So the engine cooling fan does not come on until the engine reaches normal operating temperature. Extra cooling is not needed when a cold engine is first started. Your cooling fan switch activates your fans to cool your radiator. 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.

I have my 1986 fj60 gasoline in the shop having the carb rebuilt. Discussion starter 1 4 mo ago edited hello i have been suspecting that my cooling fans never come on. The tech told me that the engine compartment cooling fan sensor wire was burnt. Diysave10 online ship to home orders only duralast cooling fan switch radiator sw1123.

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. Engine coolant fan sensor switch. The cooling fan which is behind the radiator grille removes heat from the engine s coolant.

Some vehicles have a separate coolant temperature sensor for the fan but a lot of cars use the same sensor. For this reason if you. Jump to latest follow 1 10 of 10 posts. Joined 8 mo ago 30 posts.

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.