Has Your Vehicle's Air Conditioner Pressure Switch Gone Bad?
Any vehicle that has air conditioning is going to have an air conditioner pressure switch. The purpose of this part is to monitor the refrigerant pressure in the air conditioner system. If the pressure gets too low or high, the pressure switch cuts off the compressor so that it doesn't become damaged. Here are some signs that you could have a problem with your pressure switch. Engine Light One of the first warning signs you may see is a check engine light on your dashboard.