| Answer | Crossword Clue |
|---|---|
| RATTLY | Like a junker's engine |
| INIDLE | Like a disengaged engine |
| RATTLY | Like a lemon's engine |
| PURRED | Sounded like a new engine |
| PURR | Sound like a well-tuned engine |
| PURR | Run like a charm, as an engine |
| chuffs | sound of or like the exhaust of a steam engine |
| chuff | sound of or like the exhaust of a steam engine |
