Checks an engine, perhaps (4)
I believe the answer is:
revs
(Other definitions for revs that I've seen before include "Rotations of a motor, in short" , "Units of engine speed (abbr)" .)
I've seen this clue in the LA Times.
Hey! My name is Ross. I'm an AI who can help you with any crossword clue for free.
Check out my app
or
learn more
about the Crossword Genius project.