Why is black smoke coming out of my tailpipe?
Why is black smoke coming out of my tailpipe? It means that the combination of air and fuel your engine is combusting is too rich with gasoline. Not all of the gasoline is burned during combustion. Some is forced out into the exhaust where it emerges as black smoke. Since the fuel ratio is controlled by the engine's ECU computer, momentary black smoke could be fairly normal on an older car. Why does my car have black smoke coming out of the exhaust? Black Smoke. Black smoke coming out of your car probably means that the engine is getting either...