Crank up phrasal verb slang informal
To turn a crank on something in order for it to start working.
Have you cranked up the engine yet? We're about to work.
Used to prompt or cause someone to do something.
Curiosity cranked her up to ask a few questions.
His nervous behavior cranked me up to question his innocence.
To intensify.
The terrorists have cranked up their bombing campaign.
They cranked their efforts up to increase sales.
To begin.
These cars don't crank up. I think we have them repaired.
To increase the volume of something.
When I get home, I turn on my stereo system, crank up volume, and enjoy the music.
Rapidly or quickly; rapid increase, progress or development
To make something beginning or happenning, especially an acitivity, event or a series of events
It's time for something to start.
The verb "crank" should be conjugated according to its tense.