Emissions and Exhaust Systems
Head Gaskets and Valve Covers
Mufflers and Tailpipes

What does blue exhaust mean?

Answer

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Wiki User
04/25/2012

blue exhaust is usually due to excessive lubricating oil consumption and its emission indicates a very poor condition of the engine, such as worn out piston rings or valve guides, etc beside, as it possible to completely prevent the emission of blue smoke...