929 V6-3.0L SOHC (1989)
BAC Valve Hose "Port A"
2. Blow through the BAC valve from port "A" and check the air flow.
Cold engine: Air flows
Warm engine: Air doesn't flow
3. Disconnect the BAC valve connector.
BAC Valve Ohmmeter Connection
4. Connect an ohmmeter to the BAC valve Terminals.
5. Check the resistance. It should be 10.8-12.3 Ohms.