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P201C Diagnostic Trouble Code Discussion for December 2009

self adaptation rich at part load

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Trouble Ticket Help Requests for DTC P201C
Help Request Posted
2004 Mercedes-Benz C230 Kompressor 1.8L Excessive Emissions, MIL Lamp on VIN: WDBRF40J14
P201C: self adaptation rich at part load. Help please Mercedes Techs! This C230 will intermittently blow black smoke at partial load and has set the above self adaption faults. The customer has replaced the mass air flow meter and it tests good, o2 sensors are functioning properly and we have double c...
December 19, 2009