What does it mean when your diesel engine is smoking?
Sooty black or grey smoke is not a good sign if your vehicle is a late model car (or truck) with a ‘clean diesel’ engine. Modern diesels get fitted with electronic controls and high pressure common rail injectors. This also helps to reduce smoking diesel engine problems. Blue Smoke in Diesel Engines Blue smoke is a sign that oil is being burnt.
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.
Is it normal to have smoke from outboard engine?
In the old days of two-cycle outboard engines, before computer controls and super-precise oil injection systems, outboards could be smoky beasts. With modern engines, either two- or four-stroke, there should be no reason to see smoke from the exhaust.
What causes diesel smoke at Capital Reman exchange?
Diagnosing Causes of Diesel Smoke at Capital Reman Exchange Black smoke is the most common smoke color coming from a diesel engine and most likely indicates something is wrong during the combustion of the diesel fuel. When diagnosing the problem the first place to look at is the mixture of air and fuel flow into the cylinders.
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.
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.
Can you see white smoke from a diesel engine?
White smoke in diesel engines is usually the last color you want to see, particularly on gas cars. If the smoke is thin, and goes away relatively quickly, than it is merely condensation. However, thicker, longer lasting smoke is a much larger headache.