Spark Plug: Labor Times
| Standard Hours | Manufacturer Warranty Hours | Skill Level | Notes | |
| Replace | ||||
| Spark Plug Boot & Retainers | ||||
| One or All | 0.5 | 0.3 | B | |
| Spark Plugs | ||||
| One | 0.5 | 0.3 | B | |
| Each Additional | 0.1 | 0.1 | B |
| Standard Hours | Manufacturer Warranty Hours | Skill Level | Notes | |
| Replace | ||||
| Spark Plug Boot & Retainers | ||||
| One or All | 0.5 | 0.3 | B | |
| Spark Plugs | ||||
| One | 0.5 | 0.3 | B | |
| Each Additional | 0.1 | 0.1 | B |