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17-2 EMISSION CONTROL . . . . . . . . GENERAL DESCRIPTION . . . . . . DIAGNOSIS . . . . . . . . . . . . . . . . . . SPECIAL TOOLS. . . . . . . . . . . . . . VACUUM HOSES . . . . . . . . . . . . . VACUUM HOSE ROUTING. . . . . . . . . . VACUUM CIRCUIT DIAGRAM . . . . . . . VACUUM HOSE INSTALLATION . . . . . VACUUM HOSE CHECK. . . . . . . . . . . . POSITIVE CRANKCASE VENTILATION GENERAL DESCRIPTION (POSITIVE COMPONENT LOCATION . . . . . . . . . . POSITIVE CRANKCASE VENTILATION POSITIVE CRANKCASE VENTILATION EVAPORATIVE EMISSION CONTROL GENERAL DESCRIPTION (EVAPORATIVE COMPONENT LOCATION . . . . . . . . . . PURGE CONTROL SYSTEM CHECK EVAPORATIVE EMISSION PURGE MASS AIRFLOW SENSOR CHECK . . . BAROMETRIC PRESSURE SENSOR ENGINE COOLANT TEMPERATURE INTAKE AIR TEMPERATURE SENSOR . . . . . . . . . . . . . . . . . . . . . .17-88 FUEL TANK DIFFERENTIAL PRESSURE EVAPORATIVE EMISSION VENTILATION EXHAUST GAS RECIRCULATION GENERAL DESCRIPTION (EXHAUST GAS COMPONENT LOCATION. . . . . . . . . . . EGR VALVE (STEPPER MOTOR) CHECK EGR VALVE (STEPPER MOTOR) MASS AIRFLOW SENSOR CHECK . . . ENGINE COOLANT TEMPERATURE CRANKSHAFT POSITION SENSOR REMOVAL AND INSTALLATION REMOVAL AND INSTALLATION EVAPORATIVE EMISSION CANISTER REMOVAL AND INSTALLATION. . . . . . INSPECTION . . . . . . . . . . . . . . . . . . . . . CATALYTIC CONVERTER . . . . . . GENERAL DESCRIPTION (CATALYTIC SPECIFICATIONS . . . . . . . . . . FASTENER TIGHTENING SERVICE SPECIFICATIONS. . . . . . . . . |