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The fourth generation Nissan Altima (chassis model L32A) was announced at the 2006 New York Auto Show on April 12, 2006. It was the first vehicle to use the smaller Nissan D platform, with a new front and upgraded rear suspension.

2011 Altima stalls and shuts off when I accelerate

I hear a huffing noise when it’s idle, and it stalls when I apply gas and accelerate.

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You need fuel, air, and spark. Obviously, you have spark. So, it is either fuel or air. I don't know what a HUFFING noise is, but my first thought would be that it isn't breathing very well. You may have to do CPR on it. But I would first check the air filter, and make sure that is clean of replace it. Then I would check any fuel filters. After that it would be fuel injectors. But now you are into needing professional help.

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Sean crwdns2934231:0crwdne2934231:0
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