Knock sensors are devices used in internal combustion engines to detect engine knock or detonation. The knock sensor detects vibrations and sends a signal to the engine control module (ECM), to ...

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 ...

General Motors has issued a service update for certain 2021 Chevy Silverado HD and 2021 GMC Sierra HD pickups that may have been delivered with a damaged diesel nitrogen oxide sensor. The problem: in ...

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 ...