Automotive AC Optimization Unlocking the Potential with Pressure Charts

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 ... Low side pressure should sit right at 30psi at all times the compressor is on, within a couple psi is OK. High side pressure will change ... Is there a normal range for refrigerant pressure for when the car engine is off? I have come across various posts online where people say the ... 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 ... You will have to get the system to the above pressure chart, while the car and AC compressor is running. I believe the total capacity for C7 ... Anyone know what the correct low/high side air conditioning readings should be for a 190e with R12? ... Auto AC systems are inherently leaky to ... 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 ... 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). About the "ambient temperature" to use on the pressure charts ... It's hard to do ambient temp because the car needs to be moving for the AC to really be ... ... AC pressures should operate around for a vehicle using R134a refrigerant. I also talk about my recommendations for finding and fixing leaks ...