Emission Control System - Except Evolution & SPORTBACK

• General Description
• Diagnosis
• Special Tools
• Vacuum Hoses
  • Vacuum Hose Routing
    • < 2.0L Engine >
    • < 2.4L Engine >
  • Vacuum Circuit Diagram
    • < 2.0L Engine >
    • < 2.4L Engine >
  • Vacuum Hose Installation
  • Vacuum Hose Check
• Positive Crankcase Ventilation System
  • General Description (Positive Crankcase Ventilation System)
    • Notes
    • System Diagram
      • < 2.0L Engine >
      • < 2.4L Engine >
  • Component Location
  • Positive Crankcase Ventilation System Check
  • Positive Crankcase Ventilation Valve Check
• Evaporative Emission Control System
  • General Description (Evaporative Emission System)
    • Notes
    • System Diagram
      • < 2.0L Engine >
      • < 2.4L Engine >
  • Component Location
  • Purge Control System Check (Purge Flow Check)
    • < 2.0L Engine >
    • < 2.4L Engine >
  • Evaporative Emission Purge Solenoid Check
  • Volume Airflow Sensor Check
    • < 2.0L Engine >
  • Mass Airflow Sensor Check
    • < 2.4L Engine >
  • Barometric Pressure Sensor Check
    • < 2.0L Engine >
    • < 2.4L Engine >
  • Engine Coolant Temperature Sensor Check
    • < 2.0L Engine >
    • < 2.4L Engine >
  • Intake Air Temperature Sensor Check
    • < 2.0L Engine >
    • < 2.4L Engine >
  • Fuel Tank Differential Pressure Sensor Check
  • Evaporative Emission Ventilation Solenoid Check
• Exhaust Gas RECIRCULATION (EGR) System
  • General Description (Exhaust Gas RECIRCULATION System)
    • Notes
    • Operation
    • System Diagram
      • < 2.0L Engine >
      • < 2.4L Engine >
  • Component Location
  • Exhaust Gas RECIRCULATION System Check
    • < 2.0L Engine >
  • Vacuum Control Valve Check
    • < 2.0L Engine >
  • EGR Valve Check
    • < 2.0L Engine >
  • EGR Port Vacuum Check
    • < 2.0L Engine >
  • EGR Vacuum Regulator Solenoid Valve Check
    • < 2.0L Engine >
  • EGR Valve (Stepper Motor) Check
    • < 2.4L Engine >
    • Checking the Operation Sound
    • Checking the Coil Resistance
    • Operation Check
  • EGR Valve (Stepper Motor) Cleaning
    • < 2.4L Engine >
  • Volume Airflow Sensor Check
    • < 2.0L Engine >
  • Mass Airflow Sensor Check
    • < 2.4L Engine >
  • Engine Coolant Temperature Sensor Check
    • < 2.0L Engine >
    • < 2.4L Engine >
  • Crankshaft Position Sensor Check
    • < 2.0L Engine >
    • < 2.4L Engine >
  • Removal And Installation < 2.0L Engine >
  • Removal And Installation < 2.4L Engine >
    • Notes
    • Removal Service Point
      • >>A<< EGR Valve Gasket Installation
• Evaporative Emission Canister And Fuel Tank Pressure Relief Valve
  • Removal And Installation
  • Inspection
    • Evaporative Emission Ventilation Solenoid Check
• Catalytic Converter
  • General Description (Catalytic Converter)
  • Removal And Installation
• Fastener Tightening Specifications
• Service Specifications