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Chevy S-10

What causes smoke coming from a car exhaust to be blue in color?

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Wiki User
2011-09-13 22:24:36
2011-09-13 22:24:36

you most likely have bad piston rings or in a overhead cam you might need to rebuild the topend

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Could be a diesel? If not then replace your oxygen sensor on your exhaust. A bad oxygen sensor causes the exhaust smoke to be dark in color.

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Black smoke coming out of the exhaust of a car is usually due to oil being burned in the engine's cylinders. This can be caused by a worn piston ring or rings.

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white smoke is coming from my exhaust why?

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the smoke that comes out of a exhaust pipe is supposed to be white

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It depends on what color the smoke is. If it is white smoke that usually mean coolant is in the oil and that can be a result of a blown head gasket. If it is a greyish bluish color then it is oil burning. if it is black then you are burning gas.

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The answer depends in part on the color of the smoke.

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It is buring oil this is a wrong answer whe engine burn oil to the exhaust smoke is a heavy white smoke no black

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If is a whitesh smoke then the head gasket has likely blown. The coolant is what gives it that color. If it is a bluesh/blackesh color then a piston or valve has been damaged. This is the common causes.

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Car maintenance is very important for a smooth ride. When there is white smoke coming out of the exhaust, it is usually an indication of water in the engine.

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Depends on the color of the smoke. Blue smoke-oil. Black smoke-unburnt fuel.

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You may have oil on the exhaust, once this has burnt off the smoke should stop.

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Reverse has nothing to do with it, unless the smoke is coming from your differential. White smoke typically indicates you are burning oil somewhere.

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In most cases white smoke means you are burning gasoline inefficiently, black and gray are usually oil, however, that's the extent of my knowledge.

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Is white smoke coming out of the exhaust? Is the oil milky? If so then you could have a blown head gasket. You can also check by getting an exhaust gas checker at Autozone to see if there is exhaust in your coolant. HTH.

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White smoke means head gasket, cracked head or equivelant.

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Turbos are used to mostly increase torque which shouldn't cause your car to loose speed. The white smoke is just the exhaust that is thicker due to the increased oxygen- fuel levels that turbos are made for

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Could have a head gasket problem. Need to know what color smoke is coming out of exhaust. If the smoke is white and has a sweet smell to it, you have a bad head gasket or a cracked head or both.

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if there is white smoke ur vehicle is either burning oil or it is moisture in the gas chamber

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what kind of gasoline are you running? and what color is the smoke?

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White smoke out of the exhaust means that there is coolant getting into the combustion chamber. Usually due to a bad head gasket.


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