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

humming noise, i think i found it

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Old 06-08-2006, 04:30 PM
  #11  
Guitarhead09
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Default RE: humming noise, i think i found it

Having the same problem, humming noise from cold air intake and sounds like a vibration, kinda close to the throttle body, though. My idle has been lower and my rpms have been dropping faster, its really fustrating. so its the IAC ?????
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Old 06-09-2006, 01:28 AM
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bullittproof01
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Default RE: humming noise, i think i found it


ORIGINAL: Guitarhead09

Having the same problem, humming noise from cold air intake and sounds like a vibration, kinda close to the throttle body, though. My idle has been lower and my rpms have been dropping faster, its really fustrating. so its the IAC ?????
ya it is, thats what the guys at GTR told me. they are a mustang shop by my house. they told me to just buy a new one and install it at home
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Old 06-09-2006, 01:40 AM
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NORTON98
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Default RE: humming noise, i think i found it

What does the IAC do?
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Old 06-09-2006, 02:35 AM
  #14  
Guitarhead09
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Default RE: humming noise, i think i found it

it is idle air control valve
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Old 06-09-2006, 03:30 AM
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monkeydude3
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Default RE: humming noise, i think i found it

when you let off the gas, it controlls the air entering the engine
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Old 06-09-2006, 01:14 PM
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Guitarhead09
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Default RE: humming noise, i think i found it

so thats whats wrong with my car
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