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A steady stream of white smoke during normal driving conditions points to fuel vapors, or in some cases, raw fuel exiting the exhaust.
Worn or defective glow plugs, improper engine timing and defective fuel pump pressure will allow excess fuel to exit the exhaust in the form of white smoke. Low cylinder compression ie. Diesel injectors that do not have a maximum spray pattern dirty nozzles can allow raw fuel passage through the exhaust, as well as a faulty waste gate. Such unburned fuel will have a strong petrol odor and will sting the eyes. Water contaminated fuel that is pumped through the fuel delivery system will burn with a steam effect in the cylinder, exiting the exhaust in the form of white smoke.
Condensation can accumulate inside a vehicle fuel tank that is less than full, especially if it has sat for weeks or months.
Water can be picked up from the bottom of fuel storage tanks, such as those found in gas stations. Originally posted by: ballmode I think that is a bad sign TitanDiddly Guest. Dec 8, 12, 1 0. All diesels smoke. Some more than others due to adjustment. Originally posted by: TitanDiddly All diesels smoke.
Originally posted by: dug Originally posted by: TitanDiddly All diesels smoke. GalvanizedYankee Diamond Member. Oct 27, 6, 0 0. Slight gray haze at most. In Europe they even use particulate filters on the exhaust that do need servicing. An uber-clean intake impeller is a bad sign because it has been cleaned by leaking oil Low compression can add to this mix also. Causes of white smoke: Unburned fuel as a result of cold running temps, worn injector nozzels the. It's a long list I haven't thought about in years.
Not a good thing. Some folks run high sulfur agricultural fuel because it's not taxed but this loads an automotive engine up with solids in the chamber and on the injector tip, resulting in smoke. Industrial engines can get away with it because they are always under high load and not being light throttled. What else you wanna know? I love'em. Originally posted by: SampSon Originally posted by: ballmode I think that is a bad sign Oct 9, 50, 5 Short answer: Yes.
Originally posted by: Eli Short answer: Yes. Nebor Lifer. Boats for Sale View All. Or select country. Search Advanced Search. Personal Watercraft for Sale View All. Liked it? Share it! Facebook Twitter. Best Black Friday Deals Staff. Boating Guides.Causes of Diesel Engine Smoke - By Color. 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.