White smoke is water in the exgust blue would be oil and black is fuel I would pull the plugs and pressure test the cooling system this will tell u if u have a blown headgasket also change the fuel filter if it passes the pressure test and a new set of spark plugs wouldnt hurt again only if it passes the pressure testhope this helps lsauto
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Tuesday, January 13th, 2009 AT 7:13 PM