Vacuum Solenoid Valve
Remove vacuum solenoid valve. Connect vacuum hoses to valve. See Fig 1 . Blow air through valve from hose "A" and ensure air comes out valve air filter. Using jumper wires, apply battery voltage and ground solenoid valve. See Fig 1 . Blow air through valve from hose "A" and ensure air comes out of port "B". If vacuum solenoid valve does not operate as specified, replace vacuum solenoid valve.