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.

E.G.R. Valve

With engine at idle, connect distributor vacuum line to vacuum connection of E.G.R. valve. Engine should now stop or begin to run rough. If this does not occur, check all hoses and pipes for clogging. If no clogging is found, replace E.G.R. valve and retest.