P0400 Diagnostic Trouble Code Discussion for May 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 | |
| 1998 Chevrolet Tracker 1.6L MIL Lamp on VIN: 2CNBJ1364W P0400: egr excessive flow a. This tracker came in on friday for a po400 code egr flow excessive tested the valve with a vacuum pump , engine stalled at 4"hg. pressure transduce had a leak in it, replaced it also the egr solenoid valve was bad also replaced it, tested the egr diagnosti... |
May 09, 2008 | |
| 2000 Nissan Frontier XE 2.4L MIL Lamp on VIN: 1N6DD26S5Y P0400: EGR System Recirculation Flow. dear group , and Jimmy N , PO400 is wearing me out, customer replace Valve and temp sensor with oem parts , I checked EGR backpressure transducer , as per somedata , it wouldnt hold vacume so we replaced it , oem of course.The EGR ports have been checked and d... |
May 23, 2008 |
