Exhaust smoke colors: meanings and breakdowns

What is the meaning of the color of the smoke coming from the exhaust pipes? Depending on the color, the vehicle may be having various mechanical problems, some of them involve a large financial outlay for repair. Blue, black, white ... what dangers posed these colors? You count.Exhaust smoke colors: meanings and breakdownsExhaust smoke colors: meanings and breakdownsExhaust smoke colors: meanings and breakdownsExhaust smoke colors: meanings and breakdowns

If the smoke is blue ...

If the smoke out of the exhaust pipe It is colored blue, this usually means that the engine is burning excess oil. It usually occurs when being worn seals the guide valves or rings piston. an oil leak that would parts that have to be lubricated to the combustor, natural place where the fuel burns occurs.

With the emergence of blue smoke, is appropriate to review the oil level regularly and repair defective parts (guide valves and piston rings).

Another reason why you can go blue smoke is a possible sign of a problem at turbo boost, making recommended replacement or repair.

If the smoke is gray ...

Mechanical experts announce that when the smoke out of the exhaust pipe It is gray, the problem is more difficult to diagnose. Like when it comes out blue smoke, with the appearance of gray smoke can be car burning oil or mount defective turbocharger. In this case, precautions to follow are the same as when it comes out blue smoke.

In addition, the gray smoke could mean a jam or malfunction of the PCV system (positive crankcase ventilation) system. However, when the PCV valve is clogged, the pressure can cause oil leakage. Fortunately, PCV valves are not expensive and the problem can be solved simply by any mechanic.

If the smoke is white ...

If the smoke out of the exhaust pipe is White color, if it comes out in very small quantities and shaped like thin threads in principle there is no reason for concern, since it is probably the result of accumulation from normal condensation inside of Exhaust system. When the vehicle continues to accumulate kilometers and after a few minutes of operation, this fine white smoke usually disappears.

However, when the wire White smoke it's more thick Y dense than normal, the problem is more serious, since what is burning is the coolant the motor. This can be caused by a serious problem in the head gasket, in the butt or possible crack at engine block. The settlement of all faults usually carry a large financial outlay.

Do not ignore the latter, because the problem could worsen. A small leak of coolant may lead to a serious risk very serious overheating and engine damage. Also, the refrigerant leak can also be mixed with the oil and cause serious problems for your car.

If the smoke is black ...

In the event that the smoke is black, this is a sure sign that the engine is burning heavy fuel. This occurs for any possible deficiencies in the air filter of the engine, sensors injection injectors and fuel pressure regulator.

He black smoke It is usually the easiest way to diagnose a problem. Do it quickly because both the health of your car as their own economic situation will thank you because your vehicle will stop spending more amount of fuel necessary.

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