Recharged the AC and got readings of 30 psi low side and 150 psi high side. When I get up above 35 mph the AC begins to fade. I pulled over and checked my pressures 3 psi low side and 125 psi high side. If I let the car idle in the driveway, the AC will blow cold for 20 minutes, but once I begin driving down the road it fades and doesn't come back until the car has sat for a period of time. I'm at a loss on where the problem may lie. Welcoming any and all suggestions.