vents

‘93 2.3 ranger. When I started my truck this morning(noon) smoke billowed out of the vents and smelled like a wood fire. Leaving work now, no smoke was noticed, but it still smells like wood smoke. any suggestions on what this could be?

2000 mazda b3000 4wd 3.0l v6 regular cab a/c and heat come out of the windshield defrost only. how can i remedy this? I assume its a vaccum system. kinked hose? leaking hose? gem box? help!!!!! It's hot out!!!!:bawling:

So I know this topic has been posted here many times before, but I still can't find my solution. I have a 2004 ranger 2.3L 2 wheel drive, which has the hvac only coming out the defroster. I read that it is a vacuum line issue, so I looked at my lines under the hood. I realized that the gray...