Engine Size: 318
Refrigerant Type: R134a
Ambient Temp: 91
Pressure Low: 52
Country of Origin: United States
My ac only blows warm air will not get cold I checked the freon it was low before I added freon the compressor didn't cycle on at all I added some and now it cycles 5 off 30 but with compressor not running pressure is just in yellow almost in red but when it cycles on it goes to 15 psi or the low range please help
Just adding refrigerant isn't going to fix anything if you don't have a set of guage's that can read high and low side pressure. There is no way to diagnose a system based off the low side pressure alone. Your best bet, if you are wanting to do your A/C yourself, is to buy a DIY Starter Kit. It will allow you to monitor your pressures, vaccum, charge and check for leaks. You will however need to find a way to have the system recovered to prevent from losing any freon into the atmosphere. It is a great way to start out with if you want to do it yourself. Your only other alternative is to take it to a shop so they can reclaim the freon in there, tell you how much was in there, and leak check the system so you know where your problem is.
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