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Home >> Saturn >> 2010 >> Sky Red Line, Standard >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 5 (Engine Controls And Fuel - 2.4L - Description And Operation) >> Description and Operation >> Evaporative Emission Control System Description >> EVAP System Components >> EVAP Canister Purge Solenoid Valve

EVAP Canister Purge Solenoid Valve

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The EVAP canister purge solenoid valve controls the flow of vapors from the EVAP system to the intake manifold. The purge solenoid valve opens when commanded ON by the control module. This normally closed valve is pulse width modulated (PWM) by the control module to precisely control the flow of fuel vapor to the engine. The valve will also be opened during some portions of the EVAP testing when the engine is running, allowing engine vacuum to enter the EVAP system.