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P0400 Diagnostic Trouble Code Discussion for July 2006

Exhaust Gas Recirculation System Flow Malfunction

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Trouble Ticket Help Requests for DTC P0400
Help Request Posted
1998 GMC C2500 Sierra SL 6.5L MIL Lamp on VIN: 1GTFC24S4W
P0400: Exhaust Gas Recirculation EGR System Performance. ... Sensor Performance), P0400 (EGR System Performance) stored in PCM memory. Inspected intake air ducting, no problem detected. We have resealed upper and lower intake manifold gaskets along w...
July 02, 2006
2000 Nissan Maxima SE 3.0L MIL Lamp on VIN: JN1CA3101Y
P0400: EGR System Recirculation Flow. hey guys i have a po400 incorrect egr flow if anyone knows about these please help.
July 22, 2006