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Home >> Saturn >> 2006 >> Vue Red Line, AWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 2 (Engine Controls - 2.2L (L61) - Introduction (2 Of 2)) >> Description and Operation >> Evaporative Emission (EVAP) Control System Description >> EVAP Purge Valve

EVAP Purge Valve

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The evaporative emission (EVAP) purge valve controls the flow of vapors from the EVAP system to the intake manifold. 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, allowing engine vacuum to enter the EVAP system.

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