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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