P0400 Diagnostic Trouble Code Discussion for August 2008
Exhaust Gas Recirculation System Flow Malfunction
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 P0400
| Help Request | Posted | |
| 1996 Subaru Impreza L 2.2L MIL Lamp on VIN: JFGC4358TH P0400: Insufficient EGR System Flow Detected. ... code p0400 (egr fault detected) I was aware of the problem with the inline filter going to the map sensor being restricted causing the ecm to think the EGR valve isn't working. I checked that and found that it was not restricted. So I went to the valve and... |
August 25, 2008 |
