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So I'm getting a funky air noise when I drive...just started out of nowhere...sounds like extra air getting pulled in...best way to describe it is that it sounds like an 18 wheeler going through gears...any ideas?
 

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Does this happen when you are sitting still, when you are in gear and underway, or both? You might just be hearing the fan, it can make a lot of noise and at low revs can sound like what you described. The secondary air system is the other thing commonly associated with air noises, I tend to think of it as more like the sound of a vacuum cleaner.
 
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jks540i
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