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Air Intake / Throttle Body Sound

Noel-e

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Mar 17, 2009
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When I accelerate while driving, there is a loud sound coming from my air intake system / throttle body. It comes on suddenly when accelerating and is distinctly louder than the normal sound it should be making.

I have heard my air intake could be sucking in air from a small hole or gap somewhere along the manifold but upon a brief inspection I do not notice anything like that.

The throttle body has a bit of grimy build up on it and I think it needs a clean but am not sure the best way how to go about this as it is auto / fuel injection.

I wondered if maybe there is one of those hi-clone devices inside the throttle body manifold that i'm unaware of, that could be making the loud hissing / revving sound when i plant it.

What else could this sound possibly be and how can I repair this myself?
 

hako

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