Monitor Strategy
MONITOR STRATEGY
| Related DTCs | P0420: Bank 1 catalyst is deterioration |
| Required sensors/components | Main: |
| Required sensors/components | A/F sensor, heated oxygen sensor |
| Required sensors/components | Related: |
| Required sensors/components | Mass air flow meter, engine coolant temperature sensor, engine speed sensor, intake air temperature sensor |
| Frequency of operation | Once per driving cycle |
| Duration | 30 seconds |
| MIL operation | 2 driving cycles |
| Sequence of operation | None |