Unlocking Optimal Cooling The Ultimate Automotive AC Pressure Chart Guide

... vehicle said max oil charge is 9oz. ... Squirt in a can on a cool motor (that's not running- duh) and reference a 134 temp/pressure chart. Look for a pressure chart and that will help. Bet it needs the extra ... When your vehicle's air conditioning (AC) system behaves ... I'm far from an expert on car systems. Assuming this is a 134a system. You can look up online approximate "normal" pressures. Why did you choose ... A typical Car AC Pressure Chart for a commonly used refrigerant ie, the R134a and also some troubleshooting tips with respect to the AC system pressure. At 85 degrees Fahrenheit, R134A shows a pressure of around 90 pounds per square inch. Much lower readings suggest the system is low on charge or contaminated ... Does anyone have a volts-to-pressure chart for this sensor? ... It reads 42 PIDs in total, but no HVAC PIDs (AC pressure, evaporator temp, etc). IMMEDIATELY after the car is started, turn on the A/C. It should be cold air almost immediately. This test will rule out any "stuck open" heater ... What should automotive ac pressures be. To effectively assess your vehicle's air conditioning system, relying solely on a low-pressure gauge is insufficient. The online chart shows i need 55 psi on low and 170 on high. I am checking the pressures while engine is warm and idle. Ac on full blast. Ac worked very good ... I see charts that show, at 90 degrees, a low side of approx. 30 psi and high side of 225. Another chart will show 50 PSI and 260 PSI.