What does it means when my exhaust tailpipe is blowing out thick black smoke and water
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Oct 26, 2012 at 3:04 PM
CARADIODOC
✓Experienced Mechanic
34,413 POSTS
Burning too much fuel. That's kind of relative though. How long did it take to make that spot?
Water dripping from the tail pipe is a byproduct of the catalytic converter doing its job. Most cars have a small drain hole at the bottom rear of the muffler to reduce the chances of rusting the tail pipe.