If the compressor is not engaging how are you able to read the high side pressure line? If you are using one of those fill me up with freon and hope that the ac system work in a can to check the pressure, you do not have it connected to the high side of the ac system. Those cans can only connect to the low side of the system. The compressor needs to be running in order to get an accurate measurement of the refrigerant pressure. Sounds like you don't know what you are doing. My advice will be to take it into an AC shop.

__________________
2006 Infiniti G35
2001 BMW 3.0I E53 X5 Build date 08/2000 SOLD
Lotus Europa 1970 Destroyed by fire
Lotus Europa 1970 S2 Renault Powered
Lotus Type 52 1970 Twincam Webers Powered
PORSCHE 911 Targa 1982 The Garage Queen
Audi Avant donated to Kars for Kids
BMW 525IT Sold
Audi 4000CS Quattro Sold
Jensen Healey Lotus Powered Sold
Opel 1900 Sold
Triumph Spitfire 1971 Sold
Triumph Spitfire 1968 Sold
Plymouth "Cuda" 340 Six pack SOLD