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Home >> Ford >> 1996 >> Aerostar Van Window >> Repair and Diagnosis >> External Pages >> Different car >> Section 161 (Engine Controls - System/Component Tests - EEC-IV (5.8L)) >> Emission Systems & Subsystems >> Exhaust Gas RECIRCULATION (EGR) >> Vacuum Check Valve

Vacuum Check Valve

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Apply 16 in. Hg vacuum to check side of valve and trap. If vacuum remains greater than 15 in. Hg for 10 seconds, valve operation is normal. If vacuum does not remain greater than 15 in. Hg for 10 seconds, replace valve.

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