The color of the smoke can be an indicator...if it's blue than you're burning oil...white is moisture/water vapor which can be normal if your VX sat a while and has water/condensation in the exhaust...however, excessive white smoke is possibly a failed head gasket...black smoke is an overly rich condition which has numerous causes. (O2 sensor could be one.)
[SIGPIC][/SIGPIC]"If its fast and reliable, its not cheap;
if its fast and cheap, its not reliable;
if its cheap and reliable, its not fast."
If love is blind, why is lingerie so popular?