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Home >> Chevrolet >> 2004 >> Astro Van Cargo, AWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - 4.3L - Introduction >> Repair Instructions >> Idle Air Control (IAC) Valve Replacement >> IAC Valve Reset Procedure

IAC Valve Reset Procedure

  1. Turn ON the ignition for 5 seconds, leaving the engine OFF.
  2. Turn OFF the ignition for 10 seconds.
  3. Start the engine.
  4. Check for the proper idle speed.
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