Hello, so. I recently bought a 2nd hand car. there was a ...

Hello, so. I recently bought a 2nd hand car. there was a strong smell of a mixture of things including smoke. also a broken ac compressor. I replaced the seats, cleaned the carpets and once aired out there's not much smell. When I...

Hello, so. I recently bought a 2nd hand car. there was a strong smell of a mixture of things including smoke. also a broken ac compressor. I replaced the seats, cleaned the carpets and once aired out there's not much smell. When I drive however, the smell becomes more prominent, it's a smell that makes me feel somewhat sleepy/unpleasent like my bodies not supposed to breath it in. Does this sound like the A/C? I assumed so and so used a A/C cleaning spray in the part where the cabin filter goes, the outside intake and up the drain bit under the glovebox (mazda 3, 2014). The smell seemed to go.I noticed however, even though I had the A/C running for 20-30 mins there wasn't as much water draining on the bottom as I thought, maybe 10ml. Also today (24 hours later) I went for a drive and the smell is coming back a little.what do you think is causing the smell? How should I fix it? Do you think my a/c drain is slightly blocked, or maybe the tray isn't tilted correctly (handyman at work mentioned something about a tray)? A bit lost with what to do!Sorry for the long story! ThanksBruno