Hello
My first big repair. I am study refrigeration.

This car renault.Cold very slow(maximum cold -8). In liquid line pressure 22-25 bar. I wash condenser but it not lower press.
Read diagnostic from display P07 A07- Evap. Fan(he blow)
Maybe very much gas in system, let out liittle volume ***** from system but it not lower press .
Question how much ***** r404a in this model?