No. 2 Anti-AFTERBURN Valve
- Warm engine to normal operating temperature. Disconnect No. 2 anti-afterburn valve-to-air cleaner hose at air cleaner. Place finger over hose and ensure air is not drawn into hose.
- Disconnect vacuum sensing hose from No. 2 anti-afterburn valve. Air should not be drawn into hose. Connect vacuum sensing hose to valve; air should be drawn into anti-afterburn valve-to-air cleaner hose for 3 seconds.
- If air is drawn for more than 3 seconds or no air is drawn, replace No. 2 anti-afterburn valve.