Vacuum Control Solenoid Valve
- Disconnect vacuum sensing tubes from vacuum control solenoid valve (Orange dot). Blow through solenoid valve from vacuum tube "B" shown in Figure. Air should escape at front port.
- Disconnect electrical connector from solenoid valve and connect battery power to terminals on valve. Blow through hose again. Air should escape through air filter at rear of valve. If valve does not perform as outlined, perform signal check.