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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 >> Air Injection System >> Check Valve

Check 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.

Check valves are used on all air injection systems in various locations. Check valve allows airflow in one direction only.