What are the symptoms of a faulty evaporator sensor?

1 Answers
VanMia
07/30/25 10:22am
The symptoms of a faulty evaporator sensor include: 1. The car air conditioner does not cool; 2. There is no refrigerant in the car air conditioning system; 3. A smell of car air conditioning refrigerant or car refrigerant oil can be detected in the cabin. The car evaporator is located inside the dashboard. When the air conditioner is turned on, the evaporator needs to exchange heat and cold, causing a large amount of condensation water to form on its surface. The incoming outdoor air may carry various dust, bacteria, impurities, etc., which adhere to the surface of the evaporator along with the condensation water. Since the air conditioner evaporator remains in a warm, dark, and humid environment when not in operation, it is highly prone to breeding a large number of molds and various bacteria. Once mold finds a suitable environment, it can multiply rapidly. Therefore, regular cleaning is necessary, and it is recommended to clean it once a year.
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