Question about Cars & Trucks
Black smoke: Black smoke is often a result of too much fuel and not enough air in the combustion chamber. In rare cases, it can be weak fuel pressure causing fuel to 'drip' from injectors rather than 'spray'. It can also be caused by weak fire in the combustion chamber.
Gray smoke is caused by brake fluid. It generally means that your brake master cylinder is bad, and is getting sucked through the vacuum brake hose.
Blue smoke is generally caused by the burning of an oil in the combustion chamber. Normal causes of oil getting into the combustion chamber are weak piston rings, bad valve guides, bad valve seals, or plugged up engines where oil is sucked back through PCV system,usually due to lack of oil changes
Posted on Jan 14, 2013
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Posted on Jan 02, 2017
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