While knocking is no longer as widespread a problem thanks to the current state of anti-knock sensor technology, it can be an issue for vehicles with gasoline direct-injection engines.

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 ...

In response to these reports of malfunctioning engines dating back to 2010, Hyundai-Kia has developed a software update they call a knock sensor detection system.

The knock sensor on your Toyota VVTi engine is basically a microphone that senses if detonation occurs in one of the cylinders. The detonation happens when the fuel-air mixture ignites before it ...

Since the car is controlled by a stand-alone engine management system, sure, we could monitor the factory knock sensors' activity voltage output if we wanted to, but that would require us to have ...