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Old 19-12-2005, 06:33 PM   #5
Dogo
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Join Date: Mar 2002
Location: Melb, Aus
Car: Mazda 323 BA BPT transplant
Posts: 3,459
IAC or Idle Air Control valve sits under the throttle body.

Its a valve which the computer opens to allow extra air to pass by the throttle body - so that the car can idle.
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