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Does idling with the air conditioning on affect the engine?

2 Answers
VanLogan
08/29/25 2:01am
Yes, it does. Keeping the air conditioning on while the car is idling for extended periods can lead to wear and tear on car components. Here is some relevant information: The car air conditioning system refers to the air conditioning device installed in the vehicle, which can cool, heat, ventilate, and purify the air inside the cabin, providing a comfortable environment for passengers, reducing driver fatigue, and improving driving safety. Structure: It generally includes a refrigeration unit, a heating unit, and a ventilation unit. This combined system makes full use of the limited space inside the car, featuring a simple structure and ease of operation, making it a popular modern car air conditioning system internationally.
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ArielDella
09/10/25 6:49am
Running the air conditioning while the car is idling does have some impact on the engine. When the engine is idling, the RPM is relatively low. Turning on the AC activates the compressor, increasing the engine load, which may cause a slight rise in RPM and increased fuel consumption. Having driven many older cars, I've noticed that prolonged idling with the AC on can lead to higher engine temperatures, reduced cooling efficiency, and accelerated component wear. It's fine for short durations, like waiting at a traffic light for a few minutes, but avoid extended periods. You can turn off the AC and open the windows for ventilation, or slightly move the car to let the engine run. Regular checks of the cooling system and AC pump can help prevent overheating issues. Engine health directly affects driving safety, so don't overlook the long-term effects of this small habit.
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Can a driver's license be renewed in a different location?

Driver's license renewal can be processed in a different location. The motor vehicle driver should apply for renewal at the vehicle management office of the driver's license issuing location or elsewhere within 90 days before the expiration of the motor vehicle driver's license. Regulations for out-of-town driver's license renewal: Driver's license renewal can be processed at vehicle management offices nationwide without restrictions. The prerequisite is that the driver's license is about to expire. If it has already expired or been overdue for a long time, out-of-town renewal may not be accepted. Therefore, specific circumstances should be consulted with the local transportation department. If expired for more than one year but less than three years, the license will be canceled, but it can be renewed by passing the subject one exam; if expired for more than three years, the license will be invalid and cannot be renewed. Driving a motor vehicle during the expired period is not allowed, otherwise it may be treated as driving without a license. Materials required for driver's license renewal: The driver's ID card and its copy, driver's license, physical condition certificate, photo receipt, etc. Out-of-town renewal does not require providing residence or temporary residence documents. In addition, before renewing the driver's license, any traffic violations must be resolved, and the deduction points must be cleared; otherwise, the renewal will not be issued.
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How often should a sedan undergo annual inspection?

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What Causes the Continuous Noise After the Car is Turned Off?

The continuous noise after the car is turned off is the sound of the fan operating. After the vehicle is turned off, if the engine temperature is high, the cooling system will automatically activate to cool down the engine, resulting in a continuous noise even after the car is turned off. This is a normal phenomenon. Once the engine system temperature drops, the cooling system will automatically stop working, typically within 3 to 5 minutes. How the Car Cooling Fan Works: Based on the principle of electromagnetic induction, the cooling fan uses a Hall sensor component as a synchronous detection device to control a set of circuits, switching the sequence of winding energization to generate a rotating magnetic field, achieving electronic commutation in a new type of electromechanical integrated fan. The cooling fan is installed between the engine and the radiator. When the fan blades rotate driven by the engine, they generate high-speed airflow, which carries away the heat from the coolant in the radiator, thereby cooling the engine. The Function of the Car Cooling Fan: The car cooling fan is mainly used to dissipate heat from the engine, ensuring that the engine does not malfunction due to high temperatures. The car engine must be adequately cooled in high-temperature working environments to maintain it at an optimal operating temperature, ensuring good engine performance, durability, and meeting exhaust emission requirements.
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If a driver has only 6 points left and receives another 6-point penalty within a single scoring cycle, their total points will reach 12. The traffic management department will then confiscate the driver's motor vehicle driving license. The driver must participate in road traffic safety laws and regulations training and take an examination as required. According to legal provisions: In China, in addition to administrative penalties for motor vehicle drivers' road traffic safety violations, a cumulative scoring system for road traffic safety violations is implemented, with a scoring cycle of 12 months. If a driver accumulates 12 points within one scoring cycle, the traffic management department of the public security authority will confiscate their motor vehicle driving license. The driver must then participate in road traffic safety laws and regulations training and take an examination as required. If the examination is passed, the points will be cleared, and the driving license will be returned. If the examination is failed, the driver must continue with the training and retake the examination. Refusal to participate in the training or take the examination as notified by the traffic management department will result in the suspension of the driver's motor vehicle driving license.
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