The engine’s knock sensor (or sensors) detects preignition and detonation, potentially damaging forms of abnormal combustion. Though full-blown knocking and pinging are audible to the human ear, the ...

Karl is a Senior Editor at CarBuzz and first joined the company as a freelancer in 2019. After graduating as a copywriter and studying journalism, his early work life included stints in television ...

Dyno tuning is great. But, a dyno-tuned engine can't always be tuned for the stress it might see on the street, let alone something like the continued abuse of, say, a track day. This is especially ...

The Knock Sensor detects engine knock and sends a voltage signal to the ECM. The ECM uses the Knock Sensor signal to control timing. Engine knock occurs within a specific frequency range. The knock ...