What should the temperature be on a car temperature gauge?
What should the temperature be on a car temperature gauge? Take a look at how to interpret the readings from your temperature gauge. When you look at your car temperature gauge, the needle should be in the center or just slightly below center (toward “C”). The temperature needs to be in that range at all times. What should high and low pressure gauges read? For R-22, the gauges should read between 120° (high pressure) to 45° (low pressure) temperature. On the other hand, the high pressure should be 418 psi, and the low pressure 130 psi on a 410A system....