Compatible with Corolla 1998 1999 2000 2001 2002 22270-0D010 Idle Speed Control Valve Idle Air Control Valve Auto Replacement Parts. When the engine experiences a hunting idle condition where RPM repeatedly surges and drops while the vehicle is stopped, this Idle Air Control Valve delivers rapid response within milliseconds; the IAC Valve stops the cyclic variation that makes driving uncomfortable. Before removing the old IAC Valve, 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 Idle Speed Control Valve straight out without twisting; install the replacement part with the included gasket and tighten the screws diagonally. Friendly Reminder: To ensure accurate selection, please compare the product images and specifications before ordering to confirm that the parts match your vehicle model. If you have any questions before or after placing your order, please customer service. We will provide detailed answers and assist you in finding the appropriate solution., Manufacturer: SZYNBQ