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P0400 Diagnostic Trouble Code Discussion for September 2004

Exhaust Gas Recirculation System Flow Malfunction

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Trouble Ticket Help Requests for DTC P0400
Help Request Posted
1998 Mercedes-Benz ML320 3.2L Hesitation, Cuts out, Misfire, MIL Lamp on VIN: 1JGAB54EXW
P0400: egr malfunction. Hello all, THANK YOU for your valuable time. This ML320 has been killing us, the complaint is no acceleration. This occurs after the vehicle is driven at rpm's reaching over 3800. After the vehicle is shut off the ecm resets and everything (aside from a very s...
September 08, 2004