My compressor frequently cycled and caused the engine to rev up. I checked the low side pressure and it was a constant 35 PSI with the compressor on (engine running) but exceeded 50 PSI with the A/C turned off. So, with the compressor "off" the low side should be above 50 PSI and with the compressor "on" it will drop down to the 35PSI? Am I missing something or do I have some other problem than low refrigerant? 02 Mustang GT. It is blowing cold air but maybe not as cold as it should. The...

Frequent A/C compressor cycling