Difference between revisions of "MSS60 Error: 275D, P0171, P0172"
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Latest revision as of 20:44, 12 January 2015
Contents
275D - P0171
| Information saved in | DME |
| Fault code | 275D - P0171 |
| Fault text | Oxygen sensor limit position fault, bank 1 |
| Fault description | System Too Lean (Bank 1) |
| Condition for fault identification | Test condition: Controller pegged at the MIN threshold 0.75 (K_LAM_REG_F_MIN) for at least a period of 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 |
275D - P0172
| Information saved in | DME |
| Fault code | 275D - P0172 |
| Fault text | Oxygen sensor limit position fault, bank 1 |
| Fault description | System Too Rich (Bank 1) |
| 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 |
