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Home >> Ford >> 2004 >> Mustang Mach 1, Standard >> Repair and Diagnosis (Single Page) >> Engine Mechanical >> Auxiliary Emission Control Systems >> Evaporative Emissions System >> Diagnosis And Testing >> Evaporative Emissions >> Principles of Operation >> Canister Vent Solenoid

Canister Vent Solenoid

During the Evaporative Emission (EVAP) System Test Monitor, Evaporative Emissions Repair Verification Drive Cycle, and the Evaporative Emission System Leak Test, the canister vent solenoid is closed to allow a vacuum to be drawn on the fuel tank at a specific level. The canister vent solenoid is normally open.