Idle Control Valve Compatible with Toyota for Highlander 2001-2003 for Estima 2000-2003 Idle Air Control Valve IAC Valve Auto Replacement Parts 22270-20050
BYHWAEE
When the engine experiences a low idle that makes the vehicle feel like it is about to shut off at stop lights, this indicates insufficient bypass air reaching the cylinders; this component increases air delivery to maintain the minimum idle speed required for accessory running, preventing the engine from dropping below the stall threshold. The precision-ground valve seat and plunger tip geometry are matched to create a metal-to-metal line contact seal when fully closed; this design keeps leakage within a very small range while still allowing fine air metering through the gap between tapered surfaces at small openings. Before removing the old part, disconnect the battery negative terminal and let the engine cool; take a photo of the vacuum hose connections and component orientation for reference, then loosen the two mounting bolts and pull the unit straight out without twisting. If you encounter any problems during the purchase process, please contact customer service promptly. We will do our best to help you resolve your issues and provide suitable solutions. Friendly Reminder: We recommend that you carefully review our product images and specifications before ordering to ensure that the part is suitable for your vehicle model., Manufacturer: BYHWAEE-853
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