MSS60 Error: 2789, P0420: Difference between revisions
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Created page with "{| | | |- |'''Information saved in''' |DME |- |'''Fault code''' |2789 - P0420 |- |'''Fault text''' |Catalytic-converter conversion, bank 1 |- |'''Fault description''' |Catalys..." |
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{| | ====2789 - P0420==== | ||
{| class = "diyTable ecuFault" | |||
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|'''Information saved in''' | |'''Information saved in''' | ||
Latest revision as of 20:50, 12 January 2015
2789 - P0420
| Information saved in | DME |
| Fault code | 2789 - P0420 |
| Fault text | Catalytic-converter conversion, bank 1 |
| Fault description | Catalyst System Efficiency Below Threshold (Bank 1) |
| Condition for fault identification | Test condition: Diagnosis value above threshold K_KAT_OBD_WERT_MAX |
| Terminal condition: Engine running - Condition idle or part-load | |
| Voltage condition: none | |
| Condition for fault memory entry | none |
| Action in service | 1. Check exhaust system for leaks |
| 2. No faults related to oxygen sensor or fuel system or VANOS should be present | |
| 3. Conduct oxygen sensor test routines, even if no oxygen sensor fault is present. | |
| 4. Replace catalytic conveter near engine | |
| Fault effect and breakdown warning | MIL on after engine runs 2x |
| Driver information | Warning light: MIL |
| Service instruction | None |