subaru Workshop Repair Guides

Subaru Workshop Service and Repair Manuals

System Overview|Page 2390 > < Positive Crankcase Ventilation|Diagrams
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Positive Crankcase Ventilation: Description and Operation
System Overview

There are three emission control systems which are as follows:

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Crankcase emission control system

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Exhaust emission control system
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Three-way catalyst system

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Air/fuel (A/F) control system

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Ignition control system

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Evaporative emission control system
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On-board refueling vapor recovery (ORVR) system

System Overview|Page 2390 > < Positive Crankcase Ventilation|Diagrams