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P0400 Diagnostic Trouble Code Discussion for January 2005

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 No Start VIN: 4JGAB54EXW
P0400: EGR Flow malfunction. The engine starts and runs in the start position, but dies when key returns to run position. The ignition switch tests good. We get no fault codes in generic setting on Snapon 2500 scanner. The MIL is NOT set. The intake system is OK. A smoke machine test show...
January 13, 2005
1995 Nissan Maxima GLE 3.0L MIL Lamp on VIN: JN1CA21D4S
P0400: EGR Malfunction. ... out...This thing is back with a P0400 EGR Malfunction. The BPT has been replaced. The EGRC-solenoid has been replaced. The vacuum hose routing is correct. I replaced all the vacuum lines in the EGR/Canister circuit just to be sure. I plugged off the ...
January 19, 2005