Why is my Cummins blowing blue smoke?
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 does blue smoke from a diesel mean?
Blue exhaust smoke in a diesel vehicle could still mean oil is being burned, but it could also mean the engine oil is being atomized. This could be caused by: High engine oil levels. Worn out piston rings. Old valves or cylinders.
Why is my cummins blowing white smoke?
If you truck is blowing white smoke, then there’s either too much fuel getting injected into the combustion chamber or there’s not enough heat to burn the fuel. Other causes include low compression and residual coolant in the combustion chamber, but these are less prevalent.
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 does blow by mean on a new diesel engine?
A brand new diesel engine running at full load will experience a little bit of blow-by upon startup. Blow-by is a condition where diesel fuel, air and vapor are pushed past the rings into the crankcase of the engine. Correct pressure should be maintained in the cylinder chamber in order for proper combustion to occur.
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.
When to use glow plug for diesel engine?
The use of glow plugs during cold starts and/or the use of a flushing solvent to remove engine sludge is recommended. Black smoke, unlike white smoke, contains a high concentration of carbon exhaust particles. The combustion of diesel fuel in the cylinders breaks down the long chain of carbon molecules to smaller and smaller molecular chains.