Nissan Altima intermittent air conditioning issue, blows hot air after short stops and requires high speeds to cool on Nissan Altima

Some Nissan Altima owners report experiencing intermittent air conditioning issues, such as the system blowing hot air after short stops and only cooling effectively at high speeds. These problems may stem from low refrigerant levels, which can lead to inconsistent cooling performance. Additionally, a faulty compressor can significantly impact the air conditioning's efficiency. Electrical issues, including switch failures, blown fuses, or damaged harnesses, may also hinder the AC's functionality. Incorrect sensor readings can cause the compressor to shut down, further exacerbating cooling problems. Regular maintenance, such as cleaning or replacing the cabin air filter and ensuring the condenser is clear, is essential for optimal performance. Furthermore, some owners may need to check if their vehicle is part of any recalls related to the air conditioning system. Addressing these factors can help restore consistent cooling in the Nissan Altima.