White smoke out of diesel exhaust

What could make a diesel engine produce white smoke? What makes a diesel blow blue or white smoke? Why does my diesel engine have white smoke? What causes white smoke and engine blow by?

A worn or blown head gasket, particularly near the exhaust port side, will cause liquid coolant to enter the cylinders and pass through the exhaust in the form of vaporous steam. A cracked engine block or cylinder head will produce the same effect. White smoke can be a big problem or not, depending on the thickness. The white smoke is the result of normal condensation which builds up inside the exhaust system.

On cold winter days, it is common to see white smoke from exhaust pipe as soon as you start the car. This is nothing but steam caused due to condensation. As the engine warms up after a few minutes, this white smoke will not be reduced because condensation is dissipated. This typically occurs due to the engine being too cool to burn the fuel , often resulting from low compression in one cylinder, problems with the fuel injection timing or a defective fuel injector. Diesel Engines Blowing White Smoke from Exhaust.

WHITE SMOKE occurs when raw diesel comes through the exhaust completely intact and unburned. Some causes of this include. If you the white smoke consistently comes out and the sweet odor smell is present, then it is definitely a problem with your coolant leaking. If white smoke continues to come out of your exhaust while the car is running, there are other issues at fault. One cause of white smoke from the exhaust might be the engine leaking coolant.

To be more specific, the white smoke you see is your diesel fuel , unburne or only partially burned. The commonest reasons for this lie in the fuel system. They range from faulty fuel injectors to retarded fuel injectio n timing, or even low compression. Blue smoke is caused by excess lubricating oil within the engine cylinders during combustion.

This excess oil then gets burnt and emitted as blue smoke. This problem is usually caused by either: A worn- out engine. All it takes is a little bit of coolant to leak out and get mixed in with the engine oil.

Once that happens, the oil will become contaminated. The first sign of having contaminated oil is white exhaust smoke coming out of the tailpipe. As this continues, the white smoke will begin to have a sweet odor smell that won’t go away. There may be several reasons for a car smoking white smoke from the exhaust. In this oneHOWTO article, we are going to talk about how to stop white smoke from the exhaust , no matter what the underlying reason is.

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. Your engine is more than likely burning coolant. Usually, white smoke indicates that the diesel fuel is not burning correctly. Unburned diesel fuel will make its way through the exhaust completely unused.

Be careful of white smoke as it will irritate your eyes and skin. Raw diesel comes through the exhaust completely unburned. The temperature in the combustion chamber is too low. Water entering combustion chamber.

These things can occur for several reasons. What is wrong really depends on the “type” of white smoke you have. I wrote a article about it.

This could be occurring either because the engine’s fuel injects are faulty, or as a result of low cylinder compression. The latter issue can be put down to a problem with engine valves,. Normally, it would happen at startup in cold weather with lower compression engines and retarded timing.

You get an incomplete combustion during startup and it causes raw diesel fuel to come out of the stack. A diesel engine in good condition should produce no visible smoke from the exhaust , under most operating conditions. A short puff of smoke when an engine is accelerated under load may be acceptable, due to the lag before the turbocharger speed and air flow is able to match the volume of diesel injected into the cylinders.