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Engine cooling fan sensor.
If the switch isn t working it should be replaced.
The tech told me that the engine compartment cooling fan sensor wire was burnt.
For this reason if you.
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.
Your cooling fan switch activates your fans to cool your radiator.
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Engine coolant fan sensor switch.
Discussion starter 1 4 mo ago edited hello i have been suspecting that my cooling fans never come on.
I have my 1986 fj60 gasoline in the shop having the carb rebuilt.
The cooling fan which is behind the radiator grille removes heat from the engine s coolant.
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.
Extra cooling is not needed when a cold engine is first started.
This fan is electrically controlled and relies on the signal from the onboard computer.
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.
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.
Some vehicles have a separate coolant temperature sensor for the fan but a lot of cars use the same sensor.
If you ve experienced these problems check your cooling fan and switch.
Symptoms of a faulty cooling fan switch include an overheated engine and an active check engine light.
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.
So the engine cooling fan does not come on until the engine reaches normal operating temperature.
If the fan receives a false signal the fan might not turn on causing the engine to overheat.