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P0400 Diagnostic Trouble Code Discussion for March 2009

Exhaust Gas Recirculation System Flow Malfunction

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Trouble Ticket Help Requests for DTC P0400
Help Request Posted
1997 Nissan Altima GLE 2.4L MIL Lamp on VIN: 1N4BU31D6V
P0400: EGR System Recirculation Flow. ... the shop with a recurring p0400 EGR code. When it came in we replaced the vacuum control solenoid and the EGR transducer. We also removed the Egr valve and cleaned out the passages. When activated at idle the engine stalls right away. The code often come...
March 11, 2009