blueish color smoke comes from my tailpipa when i take off whats the problem? my checkenginelight isnoton

Keisha Woody

Asked by Keisha Oct 06, 2012 at 11:54 AM about the 2001 Mitsubishi Galant

Question type: General

1 Answer


Piston Rings: Worn or damaged piston rings will cause blow by resulting in blue/gray smoke. Worn Cylinder Walls: Worn cylinder walls cause blow by resulting in blue/gray smoke. PCV System: A stuck closed PCV system will cause excessive crankcase pressure resulting in blue/gray smoke exiting the tailpipe.

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