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IAC, or Idle Air Control .... 200

posted by  Ken C on  Wed Mar 21 06:45 CST 2012
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last visit: Fri Oct 24 11:39 CST 2014
[RELATED]

There's a small device under your intake manifold called the IAC or Idle Air Control. It's an electrically activated valve that regulates air flow through the idle air circuit, and it's notorious for getting dirty (especially if you've neglected your Flame Trap maintenance (or else don't use synthetic oil, which tends to keep the Flame Trap clean).

Read the FAQ's on diagnosing and cleaning the unit.





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