What are the reasons for the sudden lack of airflow in the Nissan Sylphy's air conditioning?

1 Answers
LaEverly
07/29/25 2:13pm
Common causes for the lack of airflow in a car's air conditioning system include faults in the blower motor, air filter, or control system. It could be due to a malfunctioning temperature sensor on the evaporator or a faulty variable displacement valve on the compressor, which can cause the compressor to continuously operate, leading to icing. Below are some air conditioning maintenance tips: 1. Comprehensive air conditioning inspection: When using the air conditioning for the first time in summer, inspect the system thoroughly, such as checking the refrigerant level via the reservoir, whether the air filter is too dirty, or if there are any foreign objects on the radiator. 2. Pay attention to air conditioning cleaning: Regularly replace the air filter to prevent moldy odors. Additionally, clean the condenser periodically, and for a thorough cleaning, remove the radiator.
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