EMISSION CONTROL SYSTEMS Page SYSTEM PURPOSE............................................ EC-2 COMPONENT LAYOUT AND SCHEMATIC DRAWING...................................................... EC-3 POSITIVE CRANKCASE VENTILATION (PCV) SYSTEM ........................................................ EC-4 FUEL EVAPORATIVE EMISSION CONTROL (EVAP) SYSTEM ............................................ EC-5 DASH POT (DP) SYSTEM................................... EC-7 EXHAUST GAS RECIRCULATION (EGR) SYSTEM ........................................................ EC-10 THREE-WAY CATALYST (TWC) SYSTEM .............. EC-15 NOTE: TROUBLESHOOTING See page EM-2