Blue Smoke From Exhaust When Starting Diesel

If you see blue smoke coming out of exhaust after you have parked your car for a while and the engine is not a diesel the probable culprit is bad valve seals.
Blue smoke from exhaust when starting diesel. If blue smoke appears all the time your engine is running then the first thing to check is the pcv positive crankcase ventilation valve. Lots of blue smoke when starting cars not diesel. Some causes of this include. Incorrect injection timing could be a worn timing gear or damaged crankshaft keyway.
This happens if critical engine parts assemblies or seals cylinders piston rings gaskets are worn and permit oil to enter the cylinders. It is an indication that motor oil is entering the engines combustion chambers. Blue smoke coming from your engine is a warning sign you cant ignore. Black smoke is caused by a very rich fuel to air ratio.
A blue smoke condition is typically present when the engine is under load and at first start up after sitting for a few hours. White smoke occurs when raw diesel comes through the exhaust completely intact and unburned. If white smoke is coming out your diesel cars exhaust while the vehicle is idle during a cold start starting the engine at the ambient temperature and it then disappears as the car is accelerating and the engine warms up this could be an issue with the engines piston rings or the cylinders. Blue smoke is almost always a byproduct of excessive oil consumption adds ben hanks john deere power systems.
This creates a blue colored smoke which is passed down the exhaust system and then exits the car along with normal gases. If pressure builds up in the oil pan the pcv valve allows this pressure to release. Its 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 there are a number of possible causes for blue smoke coming from your engine. Either the fuel pump has been turned up or there is a restriction in the air intakeexhaust.
Blue smoke is a common occurrence upon a cold start. Causes of blue smoke from diesel engines exhausts. Diesel engines blowing white smoke from exhaust. What makes blue smoke from car when starting and when accelerating.
What makes blue smoke from exhaust when starting.