What PSI should my freon be at?
What PSI should my freon be at? It can be used for recharging refrigerant, or to diagnose an a/c system based on pressure readings from your gauges....R134a Pressure Gauge Chart.Ambient Temperature (°F)Low SideHigh Side90°50-55 psi250-275 psi85°50-55 psi220-250 psi80°45-50 psi175-220 psi75°40-45 psi150-175 psi Why does my air conditioner not take Freon? Note whether there's a pressure differential between gauge readings. If the gauges read near the same, it indicates the compressor is not functioning correctly, possibly due to internal components broken such as a reed valve. Repair or replacement of the compressor is in order to get it functioning so the...