Join Now
International Automotive Technicians Network

P0401 Diagnostic Trouble Code Discussion for September 2014

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
2006 Ford F-350 Super Duty XLT 6.0L MIL Lamp on VIN: 1FTWW31P06
P0401: Insufficient EGR Flow Detected. ... This truck came in for the MIL being on. No other complaints. I found the code P0401. I checked for loose connections and other obvious wiring problems. None were found. I activated the EGR with my scanner and it appeared to work. The engine would fall on ...
September 17, 2014