Question about 2007 Nissan Altima 3.5 Sedan

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2007 Nissan Altima - smoke from tailpipe

When I start the car up (sometimes) there is a lot of white/grey smoke...car is making no funny sounds, no sensor lights have come on...in good running shape...what should I do?

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It sounds normal white smoke comes from moisture in the air as it's burned and the air temprature is different. it creates steam they gray smoke is a little harder to decide what it is, normally gray smoke is related to oil burning and black is over fuel, depending on how many miles it has on it it could have bad valve guide seals but would not worry about it.

Posted on Sep 11, 2009

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Posted on Jan 02, 2017

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