White Smoke from Exhaust on 2005 Toyota Camry

When I first start my car every morning I get a large white cloud of smoke coming from my exhaust. I change my oil and filter regularly so this should not be a part of the problem. This only happens at the first start up in the morning...

by in Arlington, TX on September 18, 2010
2 answers 1 comment
ANSWER by on September 18, 2010
An engine that is burning oil will show signs of blue/gray smoke coming out the tail pipe when you first star the car in the morning? If so it would be a sign of worn valve guides or valve guide seals.Worn guides or seals may also exhibit being a problem if after prolonged idle at say a traffic light, when you pull away blue smoke is emitted from the tail pipe. Get a friend to follow you on the freeway on hard steady acceleration is there any "blue" smoke out the tail pipe, this would be a sign of bad piston rings, damaged pistons or a worn engine cylinder bore. Some engine oil "burning" is acceptable. I saw one manufacturer say they would not even investigate an "oil consumption problem" on a brand new car if it was not more than 1 quart every 800 miles. That to me is unacceptable! Their is a test called a cylinder leakage test where compressed air is put in an engines cylinder with its valves closed to determine if an engine has cylinder head gasket, intake or exhaust valve, or worn piston rings/cylinder bore. It is a very valid test to determine the over all health of an engine. Light colored smoke out the exhaust is normal until the engine warms up, especially noticeable on cold mornings dense air. Blueish/gray smoke is a sign an engine is "burning oil", excessive black smoke would be a sign an engine is running to rich/too much fuel is entering the engine. White steam perhaps noticed with a slightly sweet oder from the exhaust, rough engine running, over heating and or coolant loss would be a sign of a blown or mildly blown head gasket.
COMMENT by on September 18, 2010
Excellent answer from Patric,
ANSWER by on September 23, 2012
Did you ever find out anything more about this? My care does the same thing only in the morning. Engine seems fine.
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