Rober please help me My furnace work good for about 4 min and go doww.without any foult code I shut dow the energy and turn on again and the ignitor going red, but when the gas coming only stay on for half second. and the mesage for PS stuck closed coming. make the same put in out the energy and sta...

Please help me My furnace work good for about 4 min and go doww.without any foult code I shut dow the energy and turn on again and the ignitor going red, but when the gas coming only stay on for half second. and the mesage for PS stuck closed coming. make the same put in out the energy and start aga...