P0401 Diagnostic Trouble Code Discussion for February 2015
Insufficient EGR Flow Detected
Note: This is a professional automotive technician's resource.
Vehicle Owners: If you are seeking an automotive repair professional to service your vehicle, visit the iATN Repair Shop Finder.Trouble Ticket Help Requests for DTC P0401
| Help Request | Posted | |
| 2005 Hyundai Santa Fe GLS 3.5L Poor Idle Quality, MIL Lamp on VIN: KM8SC13E55 P0401: EGR System - Insufficient Flow Detected. With the vacuum line connected to the EGR valve, the valve will stay wide open all the time. This setup has a line coming off the throttle body with manifold vacuum which connects to a 'tee". One line tees off directly to the EGR valve, the other tees off ... |
February 13, 2015 |
