Spark plugs don't smoke. A bad alternator would cause a dead battery.
Black smoke, from any diesel, is the result of partially burned fuel. Overfueling will cause black smoke.
a dirty air filter or a dirty fuel filter will cause a diesel to smoke
no
In a diesel engine, blue smoke is an indication of oil being burned. Black smoke means that there is incomplete combustion of the fuel. White smoke can be seen when raw diesel fuel is not being burned.
you can use chips, power mods, and smoke switches.
when it get really humid or very cold
It can.
water
Dont filled oil so that no smoke
Bad gas or diesel fuel. Bad injector, timing, air cleaner plugged, fouled plugs, carbon build up to name the most common.
The cause of white puffing smoke in a diesel is the crack pipe ventilator seal. Fix that it keeps the crack inside.