BlackF

Hey everyone! So I’ve been the owner of a Lexus GS350 F sport for 24 hours now. Some back story...I bought the car off a 91 year old couple that bought the car brand new in 2013. They have every service record never missed an oil change or dealer service or repair. The went as far as always replacing wiper blades through dealer. They got too old old to drive so sold it. The car was inspected by Lexus dealer prior to purchase. Verified all on Lexus drivers site. It has 70k miles. This year it’s had maybe 2500 miles put on it based on the records.

I noticed today when my wife fired it up on cold start a puff of white smoke. Also happens when floored or revved i to high RPM. Could this be by any chance because the car was barely driven, and not valve stem seals?! Could it bd something as simple as a PCV valve? Has this happened to anyone else?

This is a pretty low mile Lexus and I know it was never driven hard and was taken care of. The photo is the most of it then it goes away unless RPMs go high.

LeX2K

Could simply be moisture build up in the exhaust a common thing on a car that isn't driven much or has sat for a period of time. Drive for a while and keep an eye on engine oil and coolant levels.

chinee

Give it an Italian tune up... you’ll probably be good after. I suspect water vapor.

Knucklebus

White smoke is water vapor. If the radiator or reserve tank doesn't get low, it isn't a bad head gasket. This is normal until an engine is warmed up in cool, dry air.

Oil smoke is blue, like a 2-cycle weedwhacker. If only on startup, it is usually caused by bad valve seals. Only during hard acceleration is usually rings seal failure.

Brown smoke is rust being blown out of the exhaust system under hard acceleration.

Black smoke is rich fuel, think the redneck diesel boys that roll coal to the extreme. Also usually under hard acceleration.

Red smoke means you are calling in an airstrike on your position. Just kidding on that one.

er34

Come take a trip to Canada in the winter - you will see so much "white smoke" coming out of the exhaust a deaf person would think you are doing a massive burnout.

Framos11

Hello,

I'm having a similar issue, I wanted to ask. Did you ever figure out the issue with your car?