20. EVAPORATIVE EMISSION CONTROL SYSTEM Downtown 300i ABS PURGE CONTROL VALVE FLOW INSPECTION 1. Connect a vacuum pump to the purge control valve vacuum tube and apply vacuum pressure of 45mm/Hg. 2. Connect a pressure pump to the tube that goes to the charcoal canister and apply Pressure Pump pressure. The flow must be over 9.4 liters per minute and replace the purge control valve with a new one if the specified flow is not reached. Vacuum Pump To prevent damage to the purge control valve, do not use high air pressure sources. Use a hand operated pressure pump only. INSTALLATION 1. Install the purge control valve in the reverse order of removal. 2. Route and reconnect the purge control valve tubes properly and securely. Be careful not to bend, twist or kink the tubes during installation. 20-5