The smell of rotten egg is coming from your catalytic converter that is plugged up White smoke is an indication of water (usually antifreeze) in the exhaust.
Not likley. You will normally see a loss of power and the converter will get red hot.
Yes and no. It will smoke more at start up and if you really hammer on it. But just cruising down the highway no.
It could be transmission fluid or coolant, or a problem with the catalytic converter.
White smoke is normally just steam from condensation. however, it can also be a bad catalytic converter from burning oil. It is also caused by burning anti-freeze, which indicates a blown head gasket.
Black smoke from the exhaust it a symptom of an overly rich fuel/air mixture. Have this repaired or it will destroy your O2 sensor and catalytic converter.
Where is the smoke coming from? If it's the engine you may have bad valve covers or something is burning up from under the hood. Check the source and check it fast. If it comes from the tailpipe you may have a catalytic converter problem.
more than likely your catalytic converter is plugged
Probably two problems. The smoke is most likely oil from an engine problem. The sulfur is the catalytic converter bad. The oil plugs the converter making it run hotter and putting out more sulfur dioxide.
Black smoke is an indication of an overly rich fuel/air mixture. This will destroy your catalytic converter and O2 sensor so have it repaired ASAP.
"Positive Crankcase Ventilation" Catalytic converter burns up oil smoke sucked out of the engine from the PCV.
Black smoke from the exhaust is a sign of an overly rich fuel/air mixture. This can ruin your catalytic converter, plus it hurts your mileage, so get this repaired asap.