Cleaned & checked gas furnace. Inspected heat exchanger & flue venting. cleaned burners & flame sensor. Checked filter. Checked voltage & amp draw of motors. Test capacitor. Found run capacitor weak: 13%low. Replaced capacitor under parts only warranty and tested amp draw. Blower: 4.5A . Inducer: 1.0A . Adj Gas pressure: 3.5 inches water column. Temperature rise: Z1Only:56. Clean and check humidifier, replace pad, checked water flow and drain.