A/C Problems after Charge

[Mark Philipps <mark@domain.elided>]

I just had my A/C checked for leaks at a Canadian Tire store while I was on
vacation up in Canada. I got so hot over the 4 th of July weekend that I
couldn't bare the ride home without some strong A/C. They said that it
checked out fine and had no leaks but when they fully charged it the A/C
blew warmer than ever. They checked to make sure the compressor was coming
on. All the other heating functions are working and steppers seem fine. The
self test came up clean. Any suggestions on a probable cause and or cure?

Thanks 

Mark Philipps
'91 164S

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