| Answer | Crossword Clue |
|---|---|
| CHOKE | Valve on a gasoline engine |
| CHOKE | Valve of a gasoline engine. |
| POPPET | Valve in a gasoline engine |
| STOPCOCK | Valve on a pipe |
| INTAKE | Tag on a valve |
| LADDER | Item on a fire engine |
| AXE | Tool on a fire engine |
| FIREDEPT | Sign on a certain engine. |
| COMPRESSOR | Impeller on a jet engine |
| OILER | Engine tender on a tanker |
| FANBELT | Cooling device on a car engine. |
| IGN | Device on a car engine: Abbr. |
| TUNE | Work on an engine, in a way |
| ANTIMATTER | Fuel for a warp drive engine on "Star Trek" |
