Why does my cooling fan run after shutting the engine off?
It’s normal for some vehicles to have a fan run for a few minutes after the car is shut off, generally to keep the engine cool. However, if the fan is running for an extended period, the fan itself can become damaged due to overuse. It’s possible you may have a module or relay failing in your car.
Why Does My car fan come on when I stop?
Engines operate at their most efficient when they’re hot but not too hot. The fan turns on when you’ve stopped driving because no more cooling air is flowing into the engine bay. This causes the temperature to rise, automatically triggering the fan.
Why is my engine fan always on?
Cooling fans stay on at all times If the relay shorts internally, it may cause power to be permanently switched on, which will cause the fans to run at all times. Depending on the wiring setup of the vehicle, this may cause them to stay on even when the vehicle is off, which will drain the battery.
When should the cooling fan come on?
To check the temperature at which the fan comes on, turn the A/C off and keep the engine running until it reaches normal operating temperature. Most fans should come on when the coolant reaches about 200 to 230 degrees.
Does car fan run all the time?
An electric fan SHOULD NOT run all the time. A mechanical fan WILL spin as long as the engine is running, but it will only ‘lock up’ when needed. It’s normal for some vehicles to have a fan run for a few minutes after the car is shut off, generally to keep the engine cool.
Can a car fan still run when the engine is turned off?
You park your car, turn off the ignition and start walking away. Then you notice the engine cooling fan is still running even though the car is turned off. It is ok for the engine cooling fan to keep running for a few minutes after turning off the car. Your car fan will run for a few minutes after you turn off the car then turn off.
When does a Mazda 6 radiator fan run?
You’ll typically see coolant fans run when there is little or no airflow across the radiator (i.e. when the car is stationary or travelling at low speed in traffic.) Turns out this is a very common problem with all first generation Mazda 6 cars: The Fan Control Module (FCM) has a high failure rate.
Why does my Mazda CX-5 keep running after I Turn Off the a / C?
The Mazda CX-5 like many modern automobiles continues to cool the engine after it shuts off. The manual addresses this, saying, “ The electrical fan in the engine compartment could turn on for a few minutes after the ignition is switched from ON to OFF, whether or not the A/C is on or off, to cool the engine compartment quickly.”
When does the coolant fan run in a car?
The coolant fan will run when the coolant exceeds a certain temperature irrespective of if the engine is running or not. Some vehicles even have supplementary electric water pumps set to run after engine shut down to keep coolant circulating.