The gas is not flowing to the tip and has a full tank. Created by jakeschowal. Welding Tools - Miller - matic 140 Mig Welding Package W/As 907335

Is the power pin located correctly so that the gas input is aligned between the o-rings on the pin? could be blocked by an old, dirty liner. Spatter could be clogging the gas ports on the gas diffuser. The gas solenoid could be sticking in the machine.