Originally Posted by oss117
Just for the records, water does not make smoke: it makes steam!
If it is white, has no odor and disppears quickly into nothing, it is steam
Very true, steam is not smoke and has not odor. It is a normal combustion product from burning gasoline, i.e. condensed steam can be seen as it forms in a cold exhaust system and will disappear when temperatures rise.That is why one has to differentiate between steam and burning coolant (glycol) which does produce a white, sweet smelling smoke where the sweet smell is the usual telltale sign. Burning glycol also tends to produce a lingering smoke that dissipates rather than re-evaporating as does the steam.