ac warm air free on fine clutch is rough

What is your question?

only when ac is on. When on ac clutch kicks in car shutters but does not stall. Low side is fine high side in the red. Mo cold air where should I start to trouble shoot . Clogged line .faulty evaporator condenser. Or is this a tell tell sign that I need a compressor?

How long has your 2004 Chrysler PT Cruiser had this problem?

just got car