Why does my diesel engine smoke when I start it?
Why does my diesel engine smoke when I start it?
A good tip for diesel owners is to keep on top of engine tune issues. This includes regular servicing of air, fuel, oil filters, and setting up valve adjustments. Black diesel engine smoke when startingon cold start, or while accelerating hard, is not uncommon with older cars.
Can a diesel engine start in cold weather?
It can be especially difficult to start a diesel engine during cold weather. Diesels with an engine temperature below about 80 F. will produce some white smoke during the first few seconds after startup. The content of white smoke is finely atomized raw fuel and water vapor.
What does Blue Smoke mean when starting an engine?
The presence of blue smoke is an indication of burning oil. Blue smoke should not be ignored but is common when starting an engine in a cold weather. The oil thins out when it is cold and some could escape into the cylinder and be burnt.
Why do I have white smoke coming from my engine?
If white smoke occurs during a startup in freezing temperatures, then goes away, it usually indicates frozen deposits of soot which expanded around the rings then burned away once the engine warmed up. The use of glow plugs during cold starts and/or the use of a flushing solvent to remove engine sludge is recommended.
What kind of smoke comes from a diesel engine?
Blue Smoke: Blue engine smoke is the rarest type of smoke emanating from a diesel engine. The presence of blue smoke is an indication of burning oil. Blue smoke should not be ignored but is common when starting an engine in a cold weather.
Why does my diesel engine have blue smoke?
Blue engine smoke is the rarest type of smoke emanating from a diesel engine. The presence of blue smoke is an indication of burning oil. Blue smoke should not be ignored but is common when starting an engine in a cold weather. The oil thins out when it is cold and some could escape into the cylinder and be burnt.
When to shut down a diesel engine with smoke?
No matter the color of the smoke it is not something you should ignore. A properly working and maintained diesel engine should produce no visible smoke. Make sure to shut down the engine immediately if you encounter excessive smoke as further heat or load could severely damage the engine further.
When does a marine diesel engine start smoking?
February 7, 2017. A marine diesel that shows a bit of smoke on start-up is probably nothing to worry about, but if it keeps on smoking after a few seconds of run-time, or starts smoking after it warms up, or when you throttle up, that engine is screaming to you to get something fixed.
