Video Summary
Here is the summary:- The AC pressure switch monitors refrigerant pressure, ensuring that it stays within specified limits.
- There are two switches in most cars: one for high and one for low pressure.
- The low-pressure switch prevents pressure from dropping too low, and the high-pressure switch detects pressure build-ups.
- Signs of a faulty AC pressure switch: check engine light on, intermittent AC not working, and compressor not turning on.
- The cost of replacing an AC pressure switch is usually $20-$50.
- Low refrigerant levels can also cause warm air to blow.
- A faulty switch might prevent the AC from activating.
