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Reasons why the Audi Q3's fan keeps running after starting the car?

1 Answers

StCali

07/30/25 9:57am

Fan keeps running due to high temperature. Possible reasons for the fan continuously running: This is normal. Because the engine temperature remains high after shutdown, the onboard computer continues monitoring and keeps the fan running to reduce temperature. Generally, if the vehicle has been driven for a long time, it's best to let it idle for a while after parking to allow mechanical temperatures to decrease before turning off the engine. Regardless of the vehicle's horsepower, idling consumes minimal fuel. If the fan is still operating, it indicates the mechanical components haven't cooled to the designated safe temperature. Potential fan malfunctions: Blockage in the cooling circuit causing slow heat dissipation, which makes the fan continue working. If this occurs after only short-distance driving and the fan doesn't stop for a long time, the vehicle should be inspected at a 4S shop. However, if you've driven hundreds of kilometers, this is normal behavior. While the radiator temperature may be normal, the coolant temperature sensor on the engine shows high engine temperature, requiring extended fan operation for cooling.

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