Why do diesels smoke under load?
Why do diesels smoke under load?
Dirty air filter. Black smoke indicates that the fuel is not burned properly. The internal combustion process in diesel cars requires a certain mixture of fuel and air. This faulty process forms solid carbon residue, which causes a black smoke from the exhaust of the diesel engine when accelerating your car.
What does white smoke mean on a Duramax engine?
White smoke from an LB7 Duramax engine often indicates faulty injectors. We’ve heard of rollin’ coal, but rollin’ snow? Not a good sign. Blowing white smoke is a red flag for your diesel engine, yet we see this happen all the time to our customers.
Why is there blue smoke coming from my diesel engine?
Causes of blue smoke from diesel engines exhausts Blue smoke coming from your engine is a warning sign you can’t ignore. It’s never a good sign and could indicate a problem with your engine, so the sooner you address it, the lower the risk of causing lasting damage
What kind of smoke comes from a diesel truck?
Let’s talk about the different colors of diesel exhaust smoke, their causes and solutions. Gray or Blue Smoke from Diesel Exhaust. Newer, low mileage truck owners can skip this paragraph, but many of us like to have a worn out beater truck laying around, or maybe your teenager bought their first car from a not-so-honest guy.
What makes a 92-93 truck bog down under load?
The 92 – 93 trucks are equiped with a mechinical 3 speed automatic transmission. This setup uses a switch on the injection pump to kick down the transmission to a lower gear when under load. If the switch is defective or out of adjustment your trans won’t kick down under load and the truck will bog down.
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.
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.
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.
What does blowby smoke in an engine mean?
BLOWBY (or BLOWBY SMOKE) is the emission of crankcase pressure (and fumes/smoke) out the crankcase ventilation system, and generally regarded as a clear indication of an urgently needed, and expensive, engine rebuild. It is evident as pressure coming out the crankcase ventilation tube, valve cover breather or dipstick tube.
