Thank you, I'm meeting another mechanic tomorrow and hopefully he is more knowledgeable on the POA.

The TXV is new and it makes sense that it might be blocked at first run up. I know the system was not flushed.

Mechanic didn't tell me the pressures. He said they were odd and that there might be a blockage. That was the end of Friday, supposed to take another look at it this week, but honestly the shop is totally unfamiliar with a POA system. POA pressure not known to me right now. Supposedly set up for R13...

Trying to bring my old car's AC back to life. To date we have replaced the relay switch, dryer, thermal limiter fuse, POA, and expansion valve. System was vacuum and leak checked. Charged with 3.25lbs of R134. When u initially turn the ac on Max it cools nicely at the vents for up to 30 seconds. The...