when engine is started there is puff of blue smoke out the exhust pipe.

that is what i thought it was,the car has 75500 miles on it and has a vvt engine,there is still 25000 miles under waranty thank you nick

If you go in for warranty repair make sure that you have all your paper work for oil changes. I have had some dealers try to void any repairs for gaps in service records. I know that this isn't right but they will blame it on lack of oil changes.