What Does It Mean When Black Smoke Comes Out the Tailpipe on Your Car?

Answer

If you have black smoke coming out of the tailpipe of your car it could indicate carbon build up on your pistons and valves, burning oil, or a bad egr valve.
Q&A Related to "What Does It Mean When Black Smoke Comes Out..."
Answer Black smoke usually indicates an overly rich fuel/air mixture. In other words the engine is getting too much fuel or it is not being burned properly.Blue smoke is oil burning.White
http://wiki.answers.com/Q/What_causes_black_smoke_...
White smoke generally indicates there is water somewhere in the combustion process. If it is a LOT of white smoke you may have a a blown head gasket. You'll need to take it to a mechanic
http://www.quora.com/Cars-and-Automobiles/What-is-...
Black smoke is caused by excess fuel that has entered the
http://www.chacha.com/question/what-does-black-smo...
it's ok to drive it that way for awhile, but get it diagnosed. it's running rich, which means too much fuel, which also means less fuel mileage. try checking your air filter, although
http://answers.yahoo.com/question/index?qid=200612...
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If you have oil coming out of your tailpipe of your car it most likely means that you have a bad seal somewhere. Most likely it is a bad exhaust valve seal and ...
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