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P0400 Diagnostic Trouble Code Discussion for December 2009

Exhaust Gas Recirculation System Flow Malfunction

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Trouble Ticket Help Requests for DTC P0400
Help Request Posted
2001 Nissan Altima GXE 2.4L MIL Lamp on VIN: 4NX3232479
P0400: EGR System Recirculation Flow. ... with a 2.4L & a P0400 code. i have checked egr temp sensor and cruising at 2500 rpm's voltage is .23v. EGR Valve stalls car at idle if opened. voltage from temp sensor takes a long time to come up to idle voltage of 2.45v.not familiar with this system ...
December 07, 2009