Typically that's an indicator to,
you know, check your ENGINE.
The Big Bang Theory Season 2, Episode 5
[ENGINE starts]
The Big Bang Theory Season 12, Episode 19
to stroll down memory lane:
Penny, your check ENGINE...
The Big Bang Theory Season 7, Episode 17
[ENGINE STARTS]
Breaking Bad Season 2, Episode 4
It sounds like a four-stroke ENGINE.
Money Heist Season 3, Episode 8