Air Management Valve
- Warm engine to normal operating temperature. With engine idling, ensure secondary air is passing from silencer on air management valve. See Figure .
- Stop engine. Disconnect air hose at check valve. Plug opening of check valve. Start engine and note air passage from air management valve. After a few seconds, air should pass from silencer. Replace air management valve if defective. Air management valve will operate only under specified conditions. See Figure .