How do I get the codes for the a/c display on the 2004 P/GP/GT 3800 seri3 V6 ?????
I want to know what is mal functioning.
I presurized with new freon 132 , goes to 100 while conected then drops to 65lb after I shut off the can valve. It blows hot air. Still.
I want to know how to do a self diagnosis.
Vitally