9-5 Sport Wagon (9600) L4-2.3L Turbo (B235) (2003)
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Canister Purge Control Valve: Description and Operation
EVAP Canister Purge Valve (321)
The EVAP canister purge valve comprises a solenoid valve located in the line between the EVAP emission canister and the intake manifold. It is used
to govern the amount of air/hydrocarbons from the emission canister that is passed to the engine for combustion. The purge valve is also used during
the tank integrity diagnosis.
The purge valve is normally closed. It is supplied with current from the main relay.
