Did you do any work to the A/C System like try and put Refrigerant in the System or change a hose . There is a switch that is located inline of the system that sometimes can stick before pressure build up or on the other hand pressure to low will make the A/C compressor cycle on and off . This works the power to the A/C Clutch which tells the Compressor to turn on as needed which you should hear clicking on and off when your hood is open. First of all if you found that you needed to add Refrigerant then you must have a leak because this is a closed system and their should be no reason to add Refrigerant unless you lost Refrigerant . Do you have a set of Manifold gauges or are you using a auto parts store recharge kit . The most common problem people have is the a/c compressor not running of shutting off to soon and not cooling the car down and the most common reason is a Leak , To Much Refrigerant , To Less Refrigerant , To much Peg oil added to the System , the Evaporator Pressure Operated Electric Switch and of course A/C Compressor Belts slipping and many other issues related to trying to do it yourself .In your case you said the pressure of Refrigerant was high so I assume you have a gauge of some sort . You under law are not allowed to just release into the Air the Refrigerant so if you have to much have it drawn out and put the correct amount in . If you get the pressure down you might find that the system starts running properly . If you still have an issue you can follow the steps I list to make the proper test to see what is going on . warm up the engine and set the A/C to the coldest setting and put the blower on highest setting next open the doors and keep them open so the A/C system does not cycle off as you look under the hood to see the Compressor and see if you can see the compressor clutch engaged the clutch makes a click and the center of the clutch will rotate . If it is clicking then you see the clutch stop then you may need Refrigerant or the system might be over charged . this is where having a gauge would be good . Now if the compressor s engaged and stays that way close your doors then see if the Clutch starts to cycle if so the system is fine if you have nice cool air coming out of your vents . The A/C is not going to keep the Clutch engaged at all times only as need by the temp control setting and temp inside the car . This is your starting point if you can't find the issue get back to me and we will take the next step. Good Luck .
What are your actuall pressures and ambient air temerature
Btw, I’m available to help over the phone in case u need at https://www.6ya.com/expert/sean_54c3a3dc48a7773c
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