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P0400 Diagnostic Trouble Code Discussion for December 2010

Exhaust Gas Recirculation System Flow Malfunction


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Trouble Ticket Help Requests for DTC P0400
Help Request Posted
1999 Mercedes-Benz ML430 4.3L MIL Lamp on VIN: 4GJAB72E3X
P0400: EGR Malfunction operational cycle. ... cylinders. I also have a p0400 and p0443. Had snap-on Modis with 10.2 update connected via euro DL-16 and chip s17. could not erase codes. no drivability symptoms. communication appears to be fine via DL-16. why can't i erase c...
December 22, 2010
1999 Mercedes-Benz ML430 4.3L MIL Lamp on VIN: 4GJAB72E3X
P0400: EGR Malfunction operational cycle. ... cylinders. I also have a p0400 and p0443. Had snap-on Modis with 10.2 update connected via euro DL-16 and chip s17. could not erase codes. no drivability symptoms. communication appears to be fine via DL-16. why can't i erase c...
December 22, 2010