Engine Performance - DTC P0401 - P0507

• DTC P0401: Exhaust Gas Recirculation (EGR) Flow Insufficient
  • Circuit Description
  • Conditions for Setting the DTC
  • Action Taken When the DTC Sets
  • Conditions for Clearing the MIL/DTC
  • Diagnostic Aids
  • Test Description
  • Troubleshooting
• DTC P0402: Exhaust Gas Recirculation (EGR) Flow Excessive
  • Notes
  • Circuit Description
  • Conditions for Setting the DTC
  • Action Taken When the DTC Sets
  • Conditions for Clearing the MIL/DTC
  • Diagnostic Aids
  • Test Description
  • Troubleshooting
• DTC P0403: Exhaust Gas Recirculation (EGR) Solenoid Control Circuit
  • Notes
  • Circuit Description
  • Conditions for Setting the DTC
  • Action Taken When the DTC Sets
  • Conditions for Clearing the MIL/DTC
  • Troubleshooting
• DTC P0404: Exhaust Gas Recirculation (EGR) Open Position Performance
  • Notes
  • Circuit Description
  • Conditions for Setting the DTC
  • Action Taken When the DTC Sets
  • Conditions for Clearing the MIL/DTC
  • Diagnostic Aids
  • Test Description
  • Troubleshooting
• DTC P0405: Exhaust Gas Recirculation (EGR) Position Sensor Circuit Low Voltage
  • Notes
  • Circuit Description
  • Conditions for Setting the DTC
  • Action Taken When the DTC Sets
  • Conditions for Clearing the MIL/DTC
  • Diagnostic Aids
  • Test Description
  • Troubleshooting
• DTC P0406: Exhaust Gas Recirculation (EGR) Position Sensor Circuit High Voltage
  • Notes
  • Circuit Description
  • Conditions for Setting the DTC
  • Action Taken When the DTC Sets
  • Conditions for Clearing the MIL/DTC
  • Diagnostic Aids
  • Test Description
  • Troubleshooting
• DTC P0420: Catalyst System Low Efficiency
  • Circuit Description
  • Conditions for Setting the DTC
  • Action Taken When the DTC Sets
  • Conditions for Clearing the MIL/DTC
  • Diagnostic Aids
  • Test Description
  • Troubleshooting
• DTC P042E: Exhaust Gas Recirculation (EGR) Closed Position Performance
  • Notes
  • Circuit Description
  • Conditions for Setting the DTC
  • Action Taken When the DTC Sets
  • Conditions for Clearing the MIL/DTC
  • Diagnostic Aids
  • Test Description
  • Troubleshooting
• DTC P0442: Evaporative (EVAP) Emission System Small Leak Detected
  • Circuit Description
  • Conditions for Setting the DTC
  • Action Taken When the DTC Sets
  • Conditions for Clearing the MIL/DTC
  • Diagnostic Aids
  • Test Description
  • Troubleshooting
• DTC P0446: Evaporative (EVAP) Emission Vent System Performance
  • System Description
  • Conditions for Setting the DTC
  • Action Taken When the DTC Sets
  • Conditions for Clearing the MIL/DTC
  • Diagnostic Aids
  • Test Description
  • Troubleshooting
• DTC P0451: Fuel Tank Pressure (FTP) Sensor Performance
  • Notes
  • Circuit Description
  • Conditions for Setting the DTC
  • Action Taken When the DTC Sets
  • Conditions for Clearing the MIL/DTC
  • Diagnostic Aids
  • Troubleshooting
• DTC P0452: Fuel Tank Pressure (FTP) Sensor Circuit Low Voltage
  • Notes
  • System Description
  • Conditions for Setting the DTC
  • Action Taken When the DTC Sets
  • Conditions for Clearing the MIL/DTC
  • Diagnostic Aids
  • Test Description
  • Troubleshooting
• DTC P0453: Fuel Tank Pressure (FTP) Sensor Circuit High Voltage
  • Notes
  • System Description
  • Conditions for Setting the DTC
  • Action Taken When the DTC Sets
  • Conditions for Clearing the MIL/DTC
  • Diagnostic Aids
  • Test Description
  • Troubleshooting
• DTC P0454: Fuel Tank Pressure (FTP) Sensor Circuit Intermittent
  • Notes
  • Circuit Description
  • Conditions for Setting the DTC
  • Action Taken When the DTC Sets
  • Conditions for Clearing the MIL/DTC
  • Diagnostic Aids
  • Troubleshooting
• DTC P0455: Evaporative (EVAP) Emission System Large Leak Detected
  • Circuit Description
  • Conditions for Setting the DTC
  • Action Taken When the DTC Sets
  • Conditions for Clearing the MIL/DTC
  • Diagnostic Aids
  • Test Description
  • Troubleshooting
• DTC P0456: Evaporative (EVAP) Emission System Very Small Leak Detected
  • System Description
  • Conditions for Setting the DTC
  • Action Taken When the DTC Sets
  • Conditions for Clearing the MIL/DTC
  • Diagnostic Aids
  • Test Description
  • Troubleshooting
• DTC P0458: Evaporative (EVAP) Emission Purge Solenoid Control Circuit Low Voltage
  • Notes
  • Circuit Description
  • Conditions for Setting the DTC
  • Action Taken When the DTC Sets
  • Conditions for Clearing the MIL/DTC
  • Test Description
  • Troubleshooting
• DTC P0459: Evaporative (EVAP) Emission Purge Solenoid Control Circuit High Voltage
  • Notes
  • Circuit Description
  • Conditions for Setting the DTC
  • Action Taken When the DTC Sets
  • Conditions for Clearing the MIL/DTC
  • Test Description
  • Troubleshooting
• DTC P0461: Fuel Level Sensor Performance
  • Notes
  • Circuit Description
  • Conditions for Setting the DTC
  • Action Taken When the DTC Sets
  • Conditions for Clearing the MIL/DTC
  • Diagnostic Aids
  • Test Description
  • Troubleshooting
• DTC P0462: Fuel Level Sensor Circuit Low Voltage
  • Notes
  • Circuit Description
  • Conditions for Setting the DTC
  • Action Taken When the DTC Sets
  • Conditions for Clearing the MIL/DTC
  • Diagnostic Aids
  • Test Description
  • Troubleshooting
• DTC P0463: Fuel Level Sensor Circuit High Voltage
  • Notes
  • Circuit Description
  • Conditions for Setting the DTC
  • Action Taken When the DTC Sets
  • Conditions for Clearing the MIL/DTC
  • Diagnostic Aids
  • Test Description
  • Troubleshooting
• DTC P0464: Fuel Level Sensor Circuit Intermittent
  • Notes
  • Circuit Description
  • Conditions for Setting the DTC
  • Action Taken When the DTC Sets
  • Conditions for Clearing the MIL/DTC
  • Diagnostic Aids
  • Test Description
  • Troubleshooting
• DTC P0480: Cooling Fan Relay 1 Control Circuit
  • Notes
  • Circuit Description
  • Conditions for Setting the DTC
  • Action Taken When the DTC Sets
  • Conditions for Clearing the MIL/DTC
  • Diagnostic Aids
  • Troubleshooting
• DTC P0481: Cooling Fan Relay 2 Control Circuit
  • Notes
  • Circuit Description
  • Conditions for Setting the DTC
  • Action Taken When the DTC Sets
  • Conditions for Clearing the MIL/DTC
  • Diagnostic Aids
  • Troubleshooting
• DTC P0496: Evaporative (EVAP) Emission System Flow During Non-Purge
  • System Description
  • Conditions for Setting the DTC
  • Action Taken When the DTC Sets
  • Conditions for Clearing the MIL/DTC
  • Diagnostic Aids
  • Test Description
  • Troubleshooting
• DTC P0498: Evaporative (EVAP) Emission Vent Solenoid Control Circuit Low Voltage
  • Notes
  • Circuit Description
  • Conditions for Setting the DTC
  • Action Taken When the DTC Sets
  • Conditions for Clearing the MIL/DTC
  • Diagnostic Aids
  • Test Description
  • Troubleshooting
• DTC P0499: Evaporative (EVAP) Emission Vent Solenoid Control Circuit High Voltage
  • Notes
  • Circuit Description
  • Conditions for Setting the DTC
  • Action Taken When the DTC Sets
  • Conditions for Clearing the MIL/DTC
  • Diagnostic Aids
  • Test Description
  • Troubleshooting
• DTC P0502: Vehicle Speed Sensor (VSS) Circuit Low Voltage
  • Notes
  • Circuit Description
  • Conditions for Setting the DTC
  • Action Taken When the DTC Sets
  • Conditions for Clearing the MIL/DTC
  • Diagnostic Aids
  • Test Description
  • Troubleshooting
• DTC P0504: Brake Switch Circuit 1 - 2 Correlation
  • Notes
  • Circuit Description
  • Conditions for Setting the DTC
  • Action Taken When the DTC Sets
  • Conditions for Clearing the MIL/DTC
  • Diagnostic Aids
  • Troubleshooting
• DTC P0506: Idle Speed Low
  • Circuit Description
  • Conditions for Setting the DTC
  • Action Taken When the DTC Sets
  • Conditions for Clearing the MIL/DTC
  • Diagnostic Aids
  • Test Description
  • Troubleshooting
• DTC P0507: Idle Speed High
  • Circuit Description
  • Conditions for Setting the DTC
  • Action Taken When the DTC Sets
  • Conditions for Clearing the MIL/DTC
  • Diagnostic Aids
  • Test Description
  • Troubleshooting