Cleaned & checked gas furnace. Inspected heat exchanger & flue venting. cleaned burners & flame sensor. Checked voltage & amp draw of motors. Test capacitor. Blower: 1.6/2.4A . Inducer:0.08/0.25A . Gas pressure: 1.9/3.9inches water column. Temperature rise: Stg2: 53 . Supply: 124 . Return: 71 .