Question about 2007 Nissan Altima 3.5 Sedan

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Big puff of white smoke at start up after sitting for several hours.

2007 3.5 SE Altima. Starting a few days ago, my car started emitting a huge puff of whitish/grey smoke upon start up. Only after the car has been sitting for an extended period of time. No sensors have come on in the car and the smoke does not continue while driving the car.

Any ideas of what might the be problem. The local dealer was going to chard me $200 just to look at it.

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  • Anonymous Feb 07, 2009

    My car just started this, did you solve your problem? Thanks

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White smoke is water
blue smoke is oil.
nest time try and smell the white smoke see if it smells sweet?
if it does its antifreeze.
and also black smoke is fuel (like a leaky injector )
hope this helps
paul

Posted on Sep 19, 2008

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Posted on Jan 02, 2017

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