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Blue smoke = Blue smoke is caused by engine oil entering the cylinder area and being burned along with the fuel air mixture.

Black smoke = Black smoke is caused by excess fuel that has entered the cylinder area and cannot be burned completely. Another term for excess fuel is "running rich."

White Smoke = White smoke is caused by coolant entering the cylinder, and the engine trying to burn it with the fuel. The white smoke is steam.

Warning: If you see white smoke, stop driving this car immediately. Severe engine damage will occur if you continue to drive this vehicle. You have severe engine problems as in a blown head gasket or cracked head.

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17y ago

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