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Home >> Ford >> 2012 >> Expedition RWD >> Repair and Diagnosis >> Engine Performance >> Remove, Overhaul & Install >> Engine Emission Control System >> Description And Operation >> Engine Emission Control >> Notes

Engine Emission Control: Notes

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NOTE: Do not permanently remove or render inoperative any part of the vehicle emission control system including related hardware. Failure to comply may violate applicable state and federal law.
NOTE: The vehicle emission vacuum routing diagrams are contained in the Description and Operation subsection of the EVAPORATIVE EMISSIONS article. Refer to DESCRIPTION AND OPERATION .

The gasoline engine emission control system consists of the PCV system.