Operation CHARM: Car repair manuals for everyone.

Emission Control Systems: Description and Operation

System Overview




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

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