Diesel Exhaust Color

Black smoke is caused by a very rich fuel to air ratio. Get to know exhaust colors. The german association of the automotive industry registered the trademark adblue for aus 32.

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This allows for rapid thawing of the product on engine ignition.

Diesel exhaust color.

Diesel exhaust is the gaseous exhaust produced by a diesel type of internal combustion engine plus any contained particulates.
Black blue and white.
The following information is geared towards gasoline engines and may not be appropriate for your vehicle car exhaust smoke colors light or thin white exhaust smoke.
It commonly has a blue cap or other blue indicator to identify it as def whereas diesel is often associated with the color green.

Blue smoke is almost always a byproduct of excessive oil consumption adds ben hanks john deere power systems.
Either the fuel pump has been turned up or there is a restriction in the air intakeexhaust.
Black exhaust smoke is an indication of a rich fuel condition.
Its composition may vary with the fuel type or rate of consumption or speed of engine operation eg idling or at speed or under load and whether the engine is in an on road vehicle farm vehicle locomotive marine vessel or stationary generator or other application.

If you have a diesel engine please consult with a technician.
It is standardised as aus 32 in iso 22241.
Blue smoke coming out the exhaust system from gasoline or diesel engines usually means engine oil is burning in the combustion chamber.
Worn out piston rings.

Diesel exhaust fluid is an aqueous urea solution made with 325 urea and 675 deionized water.
No def is injected into the diesel engines exhaust stream.
A stuck closed fuel pressure regulator will cause a rich fuel condition.
Also in a diesel engine.

Def fluid is stored in a tank that is wrapped in heating coils.
It is stored in its on stand alone tank usually located right beside the diesel tank.
A leaking or dripping fuel injector will cause a rich fuel condition.
Color change in def fluid is a clear indicator of compromised product the easiest way to determine whether def fluid has been compromised is through color comparison.

Before you go into panic mode narrow down the problem according to the color of the smoke.
Basically there are 3 types of smoke emitted from a diesel engine.
These are possible causes.
Excessive exhaust smoke means you have an engine issue on your hands which could be as simple as changing the air filter or as big as a crack in the engine block itself.

Oil can reach the combustion chamber in several ways.
Def is a consumable in selective catalytic reduction that lowers nox concentration in the diesel exhaust emissions from diesel engines.
Bad valve stem seals.