EGR Shutoff Solenoid

With vacuum hoses and solenoid valve connections disconnected, blow through vacuum hose at port "A" and ensure that air flows from port "B". Apply 12 volts and ground to connections. See Fig 1 . Blow through vacuum hose and verify air flows from the filter. Replace valve if necessary.

Fig 1: Testing EGR Shutoff Solenoid

Courtesy of FORD MOTOR CO.