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.
EGR Valve
- Ensure engine is at normal operating temperature. Disconnect EGR
valve vacuum hose, and connect a vacuum pump to EGR valve. Start
engine. Apply at least 6 in. Hg to EGR valve.
- If engine stalls and gauge holds vacuum, EGR valve is
functioning properly. Connect a vacuum gauge to EGR hose. Increase
engine speed to about 3000 RPM. If vacuum is shown on gauge, system is
functioning properly.