Unveiling the Secrets of Automotive AC Pressure A Comprehensive Chart for Success

My question is: If my pressure readings change when I turn the AC ... With the car, ac, and fan off, The low pressure is 85. The high ... ... 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. 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 ... What are the proper ac pressure readings be on a 2002 ford ... 14 years Automotive experience. 32,709 Satisfied Customers. 2007 Chrysler ... Automotive AC Pressure Chart for R134a Refrigerant | Ideal High and Low Pressure Readings Explained. 479 views · 2 months ago ...more ... There may be vehicle specific pressure charts, but I've never seen one. All the charts I've seen show correct pressures at a give ambient ... 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). These charts can help provide an understanding of how much pressure is in your vehicle's air conditioning system, which can be helpful during the diagnostic ... The low side will get into upper 20's and when car gets cooler inside it will cycle off compressor at 22-24 psi and then come back on when ... Here is an R12 chart for psi & dF. Shoot for at or slightly above 32dF refrigerant or 30-32 psi low side for the evaporator to deliver 36-40 dF air.