EMISSION CONTROL SYSTEMS Page SYSTEM PURPOSE ............................................ EC-2 COMPONENT LAYOUT AND SCHEMATIC DRAWING (7M-GE) ........................................ EC-3 COMPONENT LAYOUT AND SCHEMATIC DRAWING (7M-GTE) ....................................... EC-4 POSITIVE CRANKCASE VENTILATION (PCV) SYSTEM ..................................................... EC-5 FUEL EVAPORATIVE EMISSION CONTROL (EVAP) SYSTEM ............................................ EC-6 DASH POT (DP) SYSTEM ................................... EC-8 EXHAUST GAS RECIRCULATION (EGR) SYSTEM (7M-GE) ........................................... EC-12 EXHAUST GAS RECIRCULATION (EGR) SYSTEM (7M-GTE) ......................................... EC-16 THREE-WAY CATALYST (TWC) SYSTEM .............. EC-20 NOTE: TROUBLESHOOTING (See pages EM-4 to 6)