Engine Cooling Fan Sensor

I have my 1986 fj60 gasoline in the shop having the carb rebuilt.

Engine cooling fan sensor.

Joined 8 mo ago 30 posts. The engine coolant sensor or a separate engine temperature switch is used to monitor engine temperature. Jump to latest follow 1 10 of 10 posts. Extra cooling is not needed when a cold engine is first started.

Symptoms of a faulty cooling fan switch include an overheated engine and an active check engine light. 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. If you ve experienced these problems check your cooling fan and switch. 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.

This fan is electrically controlled and relies on the signal from the onboard computer. For this reason if you. The tech told me that the engine compartment cooling fan sensor wire was burnt. If the fan receives a false signal the fan might not turn on causing the engine to overheat.

A coolant temperature sensor is a vital part of an automobile engine s cooling system. If the switch isn t working it should be replaced. 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. So the engine cooling fan does not come on until the engine reaches normal operating temperature.

Diysave10 online ship to home orders only duralast cooling fan switch radiator sw1123. Discussion starter 1 4 mo ago edited hello i have been suspecting that my cooling fans never come on. Some vehicles have a separate coolant temperature sensor for the fan but a lot of cars use the same sensor. Your cooling fan switch activates your fans to cool your radiator.

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