Omega Trane Furnace Draft Inducer Blower 115 Volt Variable Speed Fasco # A190 "pilot light goes turn gas" Questions

pilot light. when I turn the gas to the on position the pilot light goes out Well if you held the pilot knob down for 1 to 2 minutes before you turned it to on and it went out your thermocoupler is no

when I turn gas to furnace pilot light goes out Now getting enough oxygen. To much fuel but it can not breathe try adjusting pilot nozzle.