Emission Control System (GX)

• System Description
• Tailpipe Emission
  • Inspection
• Warm-up Three way Catalytic Converter (WU-TWC)/Three Way Catalytic Converter (TWC)
  • Notes
  • Description
    • Notes
    • DTC P0420: Catalyst system efficiency below threshold
      • Description
      • Possible Cause
• Exhaust Gas Recirculation (EGR) System
  • Description
    • Notes
    • DTC P0401: Insufficient flow in the Exhaust Gas Recirculation (EGR) system
      • Description
      • Possible Causes
    • DTC P1491: A malfunction in the Exhaust Gas Recirculation (EGR) system
    • DTC P1498: A high voltage problem in the Exhaust Gas Recirculation (EGR) valve lift sensor circuit