Low Engine Idle and/or Stalling Due to Dirty Idle Air Control Valve on Toyota Highlander

Debris can get into the idle air control valve. This will restrict the air flow into the engine, causing idle speed and/or stalling when cold. The valve can be cleaned or replaced to correct this concern.

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Average mileage: (–)
2 model years affected: 2001, 2002
3 people reported this problem
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