on my 2004 Mitsubish Galent the A/C blowing hot air, I did add two cans of Ferion, works for a week then gone,
A/C Problem on 2004 Mitsubishi Galant
COULD BE CRACKED LINE GET FERION WIRH DIE IN IT THEN USE BLACK LIGHT TO FIND LEAK
I just recently had the the same issue. It was my A/C condenser.