× 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 December 2004

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
1997 Nissan Altima GLE 2.4L MIL Lamp on VIN: 1N4BU31D4V
P0400: EGR System Recirculation Flow. ... 115,095 on odometer, cleared light, 116289 light returns, check valve and passages, and vacuum and replace solenoid, 250 miles later light returns, find egr valve in fact sticks, order part, car returns 3,000 miles later before i replace valve with same co...
December 04, 2004
1997 Mitsubishi 3000GT 3.0L MIL Lamp on VIN: JA3AM44H7V
P0400: Exhaust Gas Recirculation System Flow Malfunction. Code P0400 continues to set. We replaced the EGR Solenoid & Reducing Valve. We are only receiving .5" of vacume to EGR. Vacume to solenoid is ok. We thought maybe the computer was switching to fast. Appeared on scope as possiblity, installed another...
December 20, 2004