Starting a Cold Deisel ??

[nspec]

Yup, white smoke is unburned fuel. Normal until the engine builds enough heat for complete combustion.

 

[Rustyiron]

I just hit it with a hammer, hot or cold.
Oops, I thought that read "starting a cold chisel."

 

[RoyJackson]

Yup, white smoke is unburned fuel. Normal until the engine builds enough heat for complete combustion.

Could also be moisture...