4.6L (1996-2004 Modular) Mustang Technical discussions on 1996-2004 4.6 Liter Modular Motors (2V and 4V) within.

IAC hiss???

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Old 10-07-2006, 06:09 PM
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Fizzics Boy
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Default IAC hiss???

On my 2002 GT, there is this hiss noise and im 99% sure its coming from the IAC. the car does still idle perfectly fine, and the hiss goes away as soon as u get on the throttle a little bit. should i be worried about this or no?
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Old 10-07-2006, 08:41 PM
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Default RE: IAC hiss???

bump!!! does anyone know?
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Old 10-07-2006, 09:24 PM
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Poobs
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Default RE: IAC hiss???

It may be leaking............ If you spray carb cleaner around the area and the iddle stumbles it is a leak from outside air. If not I would leave it alone.
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