Dodge Neon

Make: Dodge
Model: Neon
Year: 2000
Mileage: 80333
Engine: 2.0 SOHC

I have an a/c problem. I just had a major a/c repair, compressor, evaporator, drier, expansion valve.
My problem is, 1, with a/c on, I stop in traffic of park, it almost stops cooling, and while driving I smell everything outside. 2. When the a/c is completely off, while driving I get car temperature air constantly coming out of the vents, like there's a hole in the dashwall.

What can this problem be. Please help. Thanks in advance.
March 19, 2007.

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