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’s ...

There are a million and one things that could go wrong with a car engine. In old times, it was solely up to the owner and/or technician to drudge through possible issues until they determined what was ...

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 ...