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Home >> Volvo >> 2004 >> S40 Base, 2.4 38, Automatic >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Ignition And Engine Control Systems - Specifications, Other (544 Body) >> Vehicle Communication Information, Engine Control Module (ECM) (B5244S4; 2004-2010) >> Description Of Activations >> Component / Function >> Evaporative Emission System (EVAP) Valve
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Evaporative Emission System (EVAP) Valve

The evaporative emission system (EVAP) valve opens and closes 5 times per second. Activated using the start button and stopped using the stop button.

The EVAP valve clicks.

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