1. To check the valve, disconnect the connector from it (engine warm and idling). If the valve is working, then the engine speed should drop sharply.
2. To remove the valve, disconnect the battery from the ground, disconnect the connector and unscrew the 2 bolts.
Air idle corrector: 1. From the air filter; 2. To the collector; 3. Winding; 4. Valve; 5. Spring