Hyundai Elantra (CN7): Emission Control System / Exhaust Emission Control System

Schematic diagrams Schematic Diagram1. Air cleaner2. Delivery pipe & injector3. Engine4. Purge control solenoid valve (PCSV)5. Fuel tank air filter6.

DescriptionExhaust emissions (CO, HC, NOx) are controlled by a combination of engine modifications and the addition of special control components.Modifications to the combustion chamber, intake manifold, camshaft and ignition system form the basic control system.