Mercedes Benz

Engine Controls - MIL ON/Fault Code 2096 Stored SI M 12 01 06 Engine Electrical Systems December 2006 Technical Service This Service Information bulletin supersedes S.I. M12 01 06 August 2006. [NEW] designates changes to this revision SUBJECT EMS2K FC 2096 - Post-cat Oxygen Sensor Lean Mixture MODEL R50 W10, R53 W11 with EMS2K SITUATION 2002-2006 Mini Cooper (R50) L4-1.6L (W10) Page 269 Check Engine Light is illuminated and the DME fault code 2096 - "02 sensor bank 1 after catalyst, exhaust gas composition indicates lean mixture - currently present" is stored. CORRECTION The post-cat 02 sensor FC 2096 is only an indication of a lean mixture condition; the oxygen sensor is not a root cause of the fault. 1. Follow the appropriate GT1/DIS test plan modules. 2. Check long-term multiplicative adaptation values (in most cases, readings are in the range of positive 5%-7%, indicating a lean mixture problem). 3. [NEW] Perform basic diagnostic of the intake air filter, intake system...