MSS60 Error: 275E, P0175

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275E - P0175

Information saved in DME
Fault code 275E - P0175
Fault text Oxygen sensor limit position fault bank 2
Fault description System Too Rich (Bank 2)
Condition for fault identification Test condition: Controller pegged at MAX threshold 1.25 (K_LAM_REG_F_MAX) for time of at least 30 sec. (K_LAM_DIAG_REG_T)
. Terminal condition: Engine running
. Voltage condition: none
Condition for fault memory entry Controller limit for K_LAM_DIAG_REG_T (60s)
Action in service 1. Check fuel system for leaks, initiate test routine as indicated
. 2. Check exhaust system for leaks
. 3. Check HFM for leaks and correct operation
. 4. Read out oxygen sensor diagnostic data, perform both oxygen sensor test routines as indicated
Fault effect and breakdown warning Engine runs erratically / Potential collateral error: Miss errors and lamda error MIL after engine runs 2x
Driver information Warning light: MIL
Service instruction none