why does my furnace smell like cigarette smoke Burning from I have a 110 volt

I have a 110 volt oil furnace in the garage. I turned it on for the first time and ran it for an hour and half or so and notice this system smoking. Can anyone point me in the right direction and Lingering Smoke Smell? Here's Your Solution HVAC Fort Wayne, IN Strange Sweet Weird Odor Smell HVAC Heat AC Furnace Dirty Sock Syndrome No Crack Smoke CO2 AC smells like cigarettes when it runs, and I think I know why. Would cleaning this up change it? : r hvacadvice Why Does My Furnace Smell? Peterman Brothers

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