Air Switching Solenoid Valve (626 Only)

Disconnect vacuum sensing tubes from 3-way solenoid valve and vacuum pipe. Blow through vacuum tube "B" shown in Figure; air should escape through solenoid valve air filter. Start engine and run at 1100-1300 RPM. Blow through vacuum tube again, air should escape through bottom port. If air switching 3-way solenoid valve does not operate as outlined, replace valve.