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Home >> Subaru >> 2004 >> Outback F4-2.5L SOHC >> Repair and Diagnosis >> Powertrain Management >> Emission Control Systems >> Description and Operation >> System Overview

System Overview

System Overview




There are three emission control systems which are as follows:
- Crankcase emission control system
- Exhaust emission control system
- Catalytic converter
- Air/fuel (A/F) control system
- Ignition control system

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