Question about 2002 Nissan Altima

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White smoke occasionally coming out of my Altima tail pipes.

Houston, Texas, USA:Nissan Altima 2007 2.5S. I bought this car a few months back, showing 59,000 miles then. After having driven it for 4,000 miles, I now notice white smoke coming out of the tail pipes when the engine is started, for about 30 seconds, then the smoke stops while the engine is still running, and I drive away. The smoke smells like it has oil in it. A day or so passes with no smoke, then again one or two times during the day the smoke comes out. Car still drives great. This started a week back, and I've also noticed that the engine oil level went down, which I had to top up today. Can someone help and suggest any reason and solution?

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I have been researching this problem all day. My 2008 Altima coupe does the same thing. It only smokes at startup occasionally, but runs fine and doesn't get hot. After the initial startup the smoke dissipates and that's it. Does have a little oil smell, but not bad. I've read valve cover gasket, pistons, rings, valve stem gaskets, etc. but no one seems to know for sure. Just check your oil regularly because when my car started to smoke, I noticed significant oil loss.

Posted on Jan 13, 2015

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If there is no loss of Coolant, which is a sign of Head gasket failure to the combustion area, which generates white smoke, I would recommend after 4000 miles of your mileage alone, a complete Service of Engine Oil and filter, AIR filter and Fuel filter.
An inexpensive way to find a recurring combustion problem, At 60k miles, the Spark plugs should still be good, but pull them anyway, just to confirm.
Regards,DT

Posted on May 10, 2010

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Posted on Mar 28, 2009

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