20. EVAPORATIVE EMISSION CONTROL SYSTEM Downtown 300i ABS Purge Control Valve To Throttle Body PURGE CONTROL VALVE REMOVAL 1. Remove the front cover. 2. Disconnect the purge control valve vacuum tube that goes to the throttle body and the tubes that go to the air cleaner and charcoal canister. Remove the charcoal canister/purge control valve. To Air Cleaner INSPECTION Connect a vacuum pump to the purge control valve tube that goes to the air cleaner and Vacuum Pump apply vacuum pressure of 250mm/Hg. The To Air Cleaner specified vacuum must be maintained for one To Fuel Tank minute. Replace the purge control valve with a new one if vacuum is not maintained. To Throttle Body Connect a vacuum pump to the purge control valve tube that goes to the carburetor vacuum tube and apply vacuum pressure of 45mm/Hg. To Throttle Body The specified vacuum must be maintained for one minute. Replace the purge control valve with a new one if vacuum is not maintained. Vacuum Pump 20-4