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Home >> Ford >> 2012 >> Explorer Limited, 3.5 8, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 89 (Engine Emission Control System) >> Description And Operation >> Engine Emission Control - 6.7L Diesel >> Closed Crankcase Ventilation (CCV) System >> System Components

System Components

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The CCV oil separator varies the amount of blow-by gases returned to the intake manifold based on available engine vacuum. It also prevents excessive vacuum from the intake system from reaching the crankcase.

The CCV tube carries the blow-by gases from the crankcase to the lower intake manifold.

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