DTC Troubleshooting: Notes

DTC INDEX

DTC	Description
DTC P0401	EGR Insufficient Flow Detected
DTC P0404	EGR Valve Insufficient Lift**
DTC P0406	EGR Valve Position Sensor Circuit High Voltage**
DTC P1491	EGR Valve Insufficient Lift*
DTC P1498	EGR Valve Position Sensor Circuit High Voltage*