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 ...

The Knock Link Kit - For Those Who Really Care About Their Expensive Motors - Turbo and High-Tech Performance Magazine ...

In vehicles equipped with knock sensors, it can be difficult to determine the octane number requirement according to the current Coordinating Research Council E-15 procedure which is based on ...