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.
Federal Models
- Disconnect anti-afterburn valve-to-air cleaner hose at anti-afterburn valve. Start engine and run at idle. Place finger over hose (intake port). Engine speed should not change.
- Increase engine speed and quickly release accelerator. Suction should be felt at air intake port. If no suction is present or suction lasts for more than 3 seconds, replace anti-afterburn valve.