The reasons for the smoke the engine

 On the expanses of our country can meet the vehicle, which is abnormal exhaust smoke. In some situations this is a consequence of a serious engine failure. This disease spreads not only on petrol but also diesel engines. Motorists with experience of the color of the exhaust can determine the damage. But there are cases when the same smoke color problems different. Why does the engine smoke? What are the reasons? Let's face it.

The main reason for the abundant smoke of the engine is always the case, unburned fuel. And causes no combustion in each case is different. As far as the fuel will burn depends on the technical condition of engine, quality of fuel used and the correct operation of the injection system.

The main factor is driving style and frequency of movement. Getting around the city requires motorists to accelerate more and thus give more exhaust.
Consider that you need to pay attention.

Black smoke

Comes from excess fuel and lack of air during ignition of the fuel. The smoke becomes visible, the presence of soot.

The reasons for this are:

comes with extra fuel;
premature injection;
the air filter is clogged;
weak air flow;
worn nozzle;
fuel that is not suitable;
clogged exhaust;

Sometimes black smoke comes out due to breakage of the turbocharger, it does not need power supply or flows in the intake tract is a large amount of oil.
If you long to ride with a broken injector nozzles, then burn through the pre-chamber, the pistons will be burned and destroyed bridges.

Blue smoke

Appears due to the fact that the fuel burns completely. Consists of parts of the accumulated fuel.

Causes:

small premature injection;
the failure of the injector;
great use of oil;
low temperature operation;
poor quality fuel;
the oil leak from the turbocharger;
If during startup of the engine a lot of gray smoke, and it's unstable, and with warming this symptom goes away, then this is the exact symptom that the reduced compression in one of cylinders or there was a breakdown spark ignition. Therefore, when you run one cylinder not running and the fuel in it begins to evaporate, and after warm up of the engine occurs for a long period of spontaneous combustion cylinder is started, and the smoke disappears.
This can damage a little ride on cars, not afraid, but we must remember that the rough work of the cold engine much it will wear out.

White smoke

Appears during the startup of the motor. Is made up from particles accumulated fuel. He has more time to focus than the blue smoke. White smoke appears due to the leaking coolant in the exhaust system of the engine.

faulty spark start glow;
lowered compression in cylinders;
very small operating temperature;
little premature injection;
the water leakage;
White-bluish smoke with an unpleasant odor remaining diesel fuel is due to the fact that it is completely burned in the cylinder and begins to evaporate on red-hot parts of the exhaust tract.
To operate the engine in this case is impossible, as it will lead to severe damage of the motor. In this case, it will be necessary repairs. 

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