water
It could be steam from the heater core
could it be white vapor? If so its probably head gasket.
It could, depending on the cause of the misfire.
they have elected a pope? in cold weather it is normal to see white smoke coming out of your tailpipe. the one you have to worry about is the black or the blue smoke
white smoke is water, black smoke is oil. remember that!
Could be that the lawn was wet and that the white smoke was actually steam.
Coolant leak.
A bad thermostat typically wouldn't cause white smoke. White smoke usually indicates a coolant or water leak which could be caused by a variety of other issues such as a blown head gasket, cracked cylinder head, or a damaged engine block. It's best to have a professional mechanic diagnose the issue accurately.
White smoke from the exhaust is normally an indication of coolant entering the combustion chamber. Could be a blown head gasket or cracked head.
It depends from where it emitting it. White smoke could be steam if from the front - check radiator White smoke from underneath could be transmission fluid White somke from tailpipe could mean burning oil.
overheating of the engine.