× Auto Repair Pros Member Benefits TechHelp Knowledge Base Forums Resources My iATN Marketplace Chat Pricing About Us Join Industry Sponsors Video Members Only Repair Shops Auto Pro Careers Auto Pro Reviews
Join Now
International Automotive Technicians Network

P0400 Diagnostic Trouble Code Discussion for January 2012

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
2005 Jeep Liberty Sport 3.7L MIL Lamp on VIN: 1J4GL48K15
P0400: Egr poor flow. We are at a loss as to this Jeep. It runs perfect except for a reoccuring ck. engine light. What gets me is there are codes for turbo and mass air sensor which this vehicle does not even have. Clear codes perform drive cycle with no problems. 2 weeks later it ...
January 03, 2012
2000 Mazda 626 ES 2.0L MIL Lamp on VIN: 1YVGF22C6Y
P0400: EGR System Flow Malfunction. Please help in anyway you can - we don't know where to go from here.
January 26, 2012