White smoke from blowby on diesel engine

What does it mean when a diesel engine is blowing white smoke? What causes excessive white smoke from a diesel engine? Can a bad fuel injector cause white smoke? Diesel engines can emit blue, black or white smoke from their exhaust while running, and each color can indicate a fault with a part or system. White smoke points to some very specific conditions which can indicate a number of component or system failures.

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. 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. White smoke occurs in a diesel engine when the diesel fuel goes through the engine and reaches the exhaust without having been burned. 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. In many cases, white smoke emanating from the tailpipe (often at idle once the engine reached operating temperature) typically means a worn out injector. Now this isn’t always the case, but after some trouble shooting we’re usually the go-to shop when diesel drivers need refurbishe rebuilt, or new injectors.

The reason why the engine of your vehicle behaves in such a manner is the blow- by on a diesel engine. Blow by is not good since it robs engine power and builds up gas pressure in the crankcase. There are reasons for blow by , and by understanding them, you can make the. This is because the combustion pressure is just too great for the piston rings to hold completely. Excessive blow-by can be caused by piston rings that are sticking in the bore.

One of the ways to check if blow-by is too great is to put your oil filler cap upside down on the filler hole. 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. This will cause white smoke , along with the idle issue. The most noticeable symptom of internal coolant leakage is when the white smoke is billowing out of the exhaust pipe and leaves a sweet odor in the air.

White smoke in a diesel is caused by one of two things: engine burning coolant, or poor burning of fuel. An engine burning coolant can be easily determined. First question, do you have to regularly add coolant?

This might be caused from the engine being too cool to burn the fuel, low compression in cylinder(s), fuel injection timing, defective fuel injector, burnt out glow plugs, clogged air filter or poor quality fuel. After only one day on FTC Decarbonizer, the smoke was all but gone! Bertram Sportsfisher with twin BMW diesels. There are many causes of smoke , blowby and oil consumption problems. White exhaust smoke is normally a sign of unburned diesel and is more likely caused by injector problems (timing or damaged), it can also be some of the issues for blue smoke causing low compression and hence incomplete fuel burn, water in the cylinders can also cause it (blown head gasket, cracked block or head).

After inspecting the engine , Detroit people concluded that it needed a rebuild at a cost of $1000.