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P0400 Diagnostic Trouble Code Discussion for June 2004

Exhaust Gas Recirculation System Flow Malfunction


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Trouble Ticket Help Requests for DTC P0400
Help Request Posted
1997 Geo Tracker 1.6L MIL Lamp on VIN: 2CNBJ1364V
P0400: EGR System Performance. Hello I have a repeat p0400 egr fault.I have not yet replaced anything yet.I have found and followed G.M bullitian # 00-06-04-027 to no avail.I have also followed published diag. from gm si 2000.The system seems to be working properly but code keeps coming b...
June 08, 2004
1999 Volkswagen EuroVan MV 2.8L Surge, MIL Lamp on VIN: WV2MH2706X
P0400: EGR Flow. Hi All, customer went into a carwash with engine idling while washing van & when she put into gear to leave the CEL came on & was flashing. She did not notice any problem with engine running as it seemed to be just like normal. I have looked at vacuum...
June 15, 2004
1997 Geo Tracker 1.6L MIL Lamp on VIN: 2CNBJ1364V
P0400: EGR System Performance. Hello I have a repeat p0400 egr fault.I have not yet replaced anything yet.I have found and followed G.M bullitian # 00-06-04-027 to no avail.I have also followed published diag. from gm si 2000.The system seems to be working properly but code keeps coming b...
June 08, 2004
1999 Volkswagen EuroVan MV 2.8L Surge, MIL Lamp on VIN: WV2MH2706X
P0400: EGR Flow. Hi All, customer went into a carwash with engine idling while washing van & when she put into gear to leave the CEL came on & was flashing. She did not notice any problem with engine running as it seemed to be just like normal. I have looked at vacuum...
June 15, 2004