Yep, I still got the plastic caps for the service ports, and I keep them on I just took them off for a few mins and put the sniffer really close to check that the sniffer was working (A very, very small amount of refrigerant near the schrader valves, but from what I've read that is normal) Alright s...

So an update on this I've put UV dye through the system, ran the a/c for 3 days. I've checked all the lines with a UV light, starting from the low side pressure line coming out of the firewall, through the entire system all the way back to the high side pressure line going into the firewall. I could...

All good, no worries

Thanks for all the info everyone, I really appreciate it

When I get some time I'll add in some UV dye and see if I can find a leak and I'll post some updates on what I find

What makes you think air? Someone been working on the system? Your charge is low. Have a shop recover what is in there and recharge to spec on label under hood. Topping off is not an option with modern systems, the charge has to be just right BTW you gave data but no ambient I thought air because o...

So I have a 2004 Acura RSX, and the A/C just doesn't blow cold enough. From what I've measured and what I know so far, I'm thinking it's either a slightly stuck open expansion valve, or air in the system + low charge. Here's what I got: Conditions: Static pressure: 100 psi low, 100 psi hi Ambient ai...