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 ...

It's most likely to be an engine sensor, or a wiring connection associated with one, that's the problem. Unfortunately, intermittent problems are hard to detect, because they rarely occur when the ...

What separates a Porsche flat-six from a Toyota Avalon V-6—aside from the bank angle, the power output, the engine location, and your interest in owning one? At full throttle, the Porsche belts out an ...