Oxygen Sensor: Labor Times
| Standard Hours | Manufacturer Warranty Hours | Skill Level | Notes | |
| Replace | ||||
| 323, 328, M3 | ||||
| Sensor | ||||
| One | 2.7 | 1.9 | B | |
| Both | 3.0 | 2.2 | B | |
| Monitor | ||||
| One | 2.7 | 1.9 | B | |
| Both | 3.0 | 2.0 | B | |
| 325, 330 | ||||
| Sensor | ||||
| One | 0.5 | 0.4 | B | |
| Both | 0.6 | 0.4 | B | |
| Monitor | ||||
| 2WD | ||||
| One | 1.4 | 1.1 | B | |
| Both | 1.5 | 1.2 | B |