Q: passenger side ice cold air but the driver's side just do blow out cool why? on 2000 Pontiac Bonneville

Journeyman 557e801cd4784d8ff835b38f3ce0382fce2b6648a740d3c63b0eb4abb5a716fb
2000 pontiac bonneville sle it has dual climate control my problem is that the driver side just do blow out cool air but the passenger side gets ice cold both sides is set to 60 degrees, why is this???
(2) Answers
have refrigerant level/pressure checked , some dual zone systems will have that symptom if they're a little low on r-134
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