"Throttling" refers to the practice of intentionally slowing down or limiting the speed or performance of something, usually in reference to internet data or network traffic.
An instant change of throttle response, and the fun element goes up! (auto.ndtv.com)
An acoustic cylinder head was set up as a running change on throttle body models; turbocharged engines already used an aluminum cylinder head cover with better acoustic quality. (allpar.com)
The paired nine - speed automatic never skipped a beat during my test and my only drivetrain complain has to do with slow engine response on throttle tip in at low speeds. (vvuzz.com)