October 30: LEMON manuals on a temporary server, it is slow and having issues, download the manuals you need! Later in November we will switch back to the fast server.

Intake Manifold Valve

Disconnect the air hose at the air control valve. Connect a tachometer to the engine. Start the engine. Disconnect the connector from air switching solenoid valve. Increase engine speed to 1500 RPM. Watch for exhaust leak. If leak exists, replace check valve.