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The engine computer uses the coolant temperature sensor to decide when to activate the radiator fans. That sensor is the two wire one near where the upper radiator hose attaches to the engine.The engine computer uses the coolant temperature sensor to decide when to activate the radiator fans. That sensor is the two wire one near where the upper radiator hose attaches to the engine.
The temperature sensor activate the fan. Unless it was hot wire by a back yard mechanic.
the coolant temp sensor( cts) reads the temp of the engine and adjust the fuel air mixture depending on the temp. if its cold out the sensor will adjust for more fuel to ease the start of the engine. ADDITIONAL: The Coolant Temperature Sensor measures the temp of the coolant, not the engine. The sensor controls the thermo fans on/off. depending upon temperature. The actual engine temperature sensor is on top of the engine and does not control the fans. If the fans do not switch on at any temperature, disconnect the 2 wire connector from the sensor (Usually at the bottom of the radiator) If fans start up with connector disconnected, replace the sensor.
about 150 160 on new style chevys
Check the temperature sensor
The cooling fans on a 2002 Grand Am GT might not be working because of a problem with a fuse. There is also a temperature sensor in the engine that tells the fans when to come on. This sensor may be bad.
Your temperature sensor or a fuse is bad.
The cooling fans on a 99 Nissan Maxima will not come on if the coolant temperature sensor is defective. The fan only comes on when the temperature passes a threshold.
Cooling fans are controlled by the computer based on input from temperature sensor. After the vehicle is shut down, if the temperature is still high, the computer will turn on the fans to cool the engine.
The engine temperature sensor is located next to where the upper radiator hose attaches to the engine. The computer uses that sensor to decide when to actuate the radiator fan relays and turn the fans on.The engine temperature sensor is located next to where the upper radiator hose attaches to the engine. The computer uses that sensor to decide when to actuate the radiator fan relays and turn the fans on.
ect sensor bad
Where is the engine cooling fans sensor located on a 2000 Corvette ? Screwed in the driver side cyinder head just behind the Alternator. this is referred to as the temperature sensor. Hope this helps. Mike