OK so i got it working, i put in a new electrode, and i also cleaned out the dampener on the roof with a shop vac, also installed a new t-stat that doesn't have mercury in it, it actually runs a long flame cycle and doesn't kick off every 4 mins. But the problem i have now is my fan doesn't kick on,...

Spark ignitor

The flame doesn't just poof go out I see sparks on the ignitor going like its trying to light itself and clock goes out

the old cap that was on there was rusted, but the vent pipe going down to the furnace was clean, i just pulled the cap/vent off that was rusted and slid what i have on there now. and the vent pipe that is coming out of the top of the furnace. But i did pull that vent pipe all the way out it was like...

Can you pull the burner assembly and post a picture of it? I have a few ideas but need to see that burner assembly first before I make any recommendations as to a repair. What were you thinking im at work right now, but im open to suggestions, i was just about to order a new electrode and ignition ...

I have a coleman forced air 7975C656 model furnace with a electronic ignition, its a gas furnace. Here is what happens. I go to turn the furnace on, the induction motor kicks on and than a few seconds after that the flame ignites, i watch it through the view window it seems to be a decent size flame...