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.

Turbo Engine

Check vacuum lines for correct routing. Disconnect vacuum hose at EGR valve. Warm engine to operating temperature. Connect a hand-held vacuum pump to EGR valve. With engine idling, slowly apply 2-3 in. Hg. Engine RPM should drop when vacuum is applied.