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What is the reason for the continuous operation of the Audi Q3 fan?

1 Answers

DelAdrian

07/28/25 4:09pm

The continuous operation of the Audi Q3 fan is due to the engine temperature remaining relatively high. Below are detailed explanations regarding the operation of the Audi Q3 fan: 1. Fan Operation: After prolonged driving, it is advisable to let the engine idle for a while before shutting it off to allow the mechanical temperature to decrease slightly. Normal driving is under load, so do not shut off the engine immediately. Let it idle for a while. If the fan still does not stop working after a long time, it is necessary to take the vehicle to an Audi 4S dealership for inspection. 2. Testing: Open the hood, start the engine, and observe whether the front fan starts immediately or within 2-3 minutes. If it does, it indicates a minor fault. The manufacturer sets the thermistor resistance value so that when the engine temperature rises to a certain level, the circuit is automatically activated to turn on the fan. When the engine temperature drops to a certain level, the fan automatically turns off. If the thermistor is damaged and directly conducts, the fan will start running as soon as the engine is started.

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