MSS60 Error: 2771, P0133

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Information saved in DME
Fault code 2771 - P0133
Fault text Oxygen sensor dynamic diagnosis before catalytic converter, bank 1
Fault description O2 Sensor Circuit Slow Response (Bank 1 Sensor 1)
Condition for fault identification Test condition: Amplitude of oxygen sensor less than diag. value 0.35 (K_LAVK_OBD_DYN_WERT_MAX)
Terminal condition: Engine running - Condition idle or part-load
Voltage condition: None
Condition for fault memory entry None
Action in service 1. Clear fault memory, oxygen sensor system test
2. Check exhaust system for leaks
3. Replace pre-cat oxygen sensor LSVK B1
Fault effect and breakdown warning MIL on after engine runs 2x / possible mild effect on drivability...surge during steady-state operation
Driver information Warning light: MIL
Service instruction None