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Home >> Ford >> 1996 >> Aerostar Van Window >> Repair and Diagnosis >> External Pages >> Different car >> Section 111 (Engine Controls - Theory & Operation - EEC-IV) >> Emission Systems >> Evaporative Emission Control >> Rollover/Vent Valve

Rollover/Vent Valve

WARNING: This page is about a different car, the 1995 Ford RV Cutaway, 1995 Ford Econoline, 1995 Ford Cutaway, and 1995 Ford Club Wagon. However, it is still accessible from the selected car via links, so may be relevant.

Rollover/vent valve is located on highest point of fuel tank. With fuel in the fuel tank, pressure increases, and the rollover/vent valve releases this extra pressure into the carbon canister. Also, if vehicle is in a rollover situation, the rollover vent valve closes, preventing fuel or fuel vapors to escape from the fuel tank.

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