He came and looked at it, haven't had a chance to talk to him. The furnace is natural gas, and may be original to the house. I do remember I put a control board and an ignitor in it, can't remember when. Will report back when I get more information.
I too am a fix it if it can be fixed, but hate to pump a bunch of money into an old outdated system that's at the end of its lifespan I am going to be forced to replace anyway.