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BMW
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2010
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760Li
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Repair and Diagnosis
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Engine Performance
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System
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Self Diagnosis - N74 - Diagnostic Trouble Codes - DTC P3149 (BMW DTC 110101) Through DTC P1217 (BMW DTC 11B108)
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DTC P114C; BMW DTC 118901: Oxygen sensor after catalytic converter 2, fine mixture control: exhaust gas after catalytic converter too rich
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Action in service
Action in service
If other faults are present repair these first
Check wiring harness
Check exhaust system for leaks
Replace oxygen sensor
Replace DME