P0401 Diagnostic Trouble Code Discussion for February 2004
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 | |
| 1997 Ford Expedition XLT 4.6L MIL Lamp on P0401: e g r flow innsufficiant. hello everybody it has been a long time but i have this 1997 ford expedition that keeps setting an egr code i replaced the dpfe sensor and hoses but keeps coming back there is one thing the dpfe sensor i took off did not look like the one i put on from ford i ... |
February 23, 2004 | |
| 1997 Toyota Corolla 1.6L MIL Lamp on P0401: Egr flow insuficient. I got this 97 corolla with the check engine light on and 2 codes stored one for egr and one for O2 sensor. So i figured I would replace the O2 and hope for the best since I figured the oxygen sensor reports a change when the EGR is open maybe I could kill two ... |
February 26, 2004 |
