Unlocking Automotive AC Pressure A Chart for Trouble-free Cooling

My MK3 GTI Ac system has recently stopped cooling down the car. Air blows out at a constant 80 deg F. (It's Florida) I have a set of gauges ... Before the vehicle is started, the static system pressure should be read. Pressure values should be very nearly equal on both LP and HP gauges. The actual ... Turn the car on with your gauge hooked up there. IMO take the car to the shop... AC work is not something you should be doing without proper ... R134A Pressure-Temperature Chart. -49. -45. 1. -17.2. 51. 10.6. 101. 38.3. -48. -44.4. 2. -16.7. 52. 11.1. 102. 38.9. -47. -43.9. 3. -16.1. 53. 11.7. 103. 39.4. If anyone expects their ac to cool down to 35F, then low side pressures should be around 30 psi. If you were to use the wrong chart, this would ... Before the vehicle is started, the static system pressure can be read. ... The PCM gets inputs from the HVAC switch, and from the AC pressure ... Our R-134a and R-1234yf air conditioning system pressure charts are a helpful tool for interpreting pressure readings when recharging with A/C Pro®. Shut the car off for 10 minutes then started AC compressor kicked on and got cold but gauge reading was off the chart. He recommended replacing ... Thanks but thats not vehicle specific but just a general guideline. ... AC was blowing cold air, I would think that would be good enough. If ... During the winter (Dec, Jan, Feb) temperatures were about 20°C (68°F) and I was not driving a car heavily - mostly in evenings and AC seemed to ...