Why is the drivers side dual air conditioning not as cold as the passnger side on 2003 Chevrolet Impala

Why is the drivers side dual air conditioning not as cold as the passnger side

by in Hoffman Estates, IL on May 01, 2013
1 answer 2 comments
ANSWER by on May 01, 2013
System probably low on refrigerant , common symptom on dual zone system.
COMMENT by on May 01, 2013
thanks I'll try that first rather than replacing the unit, or at least trying to replace it.
COMMENT by on May 01, 2013
Use guages , if you're doing it yourself. Overcharging will also cause poor performance.