| Answer | Crossword Clue |
|---|---|
| GAPPED | Adjusted, as a spark plug |
| GAP | Adjust, as a spark plug |
| GAPS | Adjusts, as a spark plug |
| RESEAT | Make an adjustment, as to a spark plug |
| GAPS | Readies a spark plug |
| GAPPED | Set a spark plug |
| CATALYST | Spark plug of a sort |
| LIVEWIRE | Relative of a spark plug. |
| BARNEYGOOGLE | Comics character with a horse named Spark Plug |
