
P0401 Diagnostic Trouble Code Discussion for June 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 Pontiac Bonneville SE 3.8L MIL Lamp on VIN: 1G2HX52K9V P0401: Insufficient EGR Flow Detected. ... in with p0401-insuficiant egr flow. visually checked all passages, worked egr valve with bi directional, all seemed normal. wrote problem off to chuck of carbon. next week car is back-same code. checked all passages and worked bi directional control again-... |
June 08, 2004 |