What Are the Reasons for Car Air Conditioning Not Cooling at Idle Speed?

[Beatrice]

There are several reasons why a car's air conditioning may not cool when the engine is idling: 1. Refrigerant leakage, where the refrigerant in the air conditioning system leaks, leading to insufficient refrigerant and thus the air conditioning fails to cool; 2. Air conditioning radiator failure; 3. Air conditioning hardware failure; 4. Issues with compressor speed. The main function of a car's air conditioning system is to regulate and control the temperature, humidity, air cleanliness, and air flow within the car cabin to an optimal state, providing a comfortable environment for passengers and reducing travel fatigue. Generally, car air conditioning systems include cooling devices, heating devices, and ventilation devices.