1986 1597cc (L4-1600) EGR Valve Location: Page 2396
EGR Valve: Testing and Inspection
Fig. 38 Connecting Vacuum Pump.
1.
Run engine at idle.
2.
Disconnect the vacuum hose from the EGR control valve.
3.
Connect a vacuum pump to the valve Fig. 38.
4.
Apply a vacuum of 150mm Hg (5.91 in Hg) or more and make sure the engine runs rough or stalls.