Hitting the HPCO is a Condenser problem. You say the fans are on 100%. Does it do the same thing when driving down the road above 40 mph? What is the history of the vehicle? New to you? Unknown history. AC has never worked correctly since I e owned it. I have replaced the condenser, oriface tube, a...

Hello all. Novice AC tinkerer, so go easy on me. I have an 05 Saab 9-7x 5.3L. (A Chevrolet trailblazer in different trim). To make it short, I had an inclination that the system was low on refrigerant, would cool at idle but kick out above 1200rpm or so. My gauge set indicated about 45psi on the low...