Where the knock sensor 2002 Nissan Xterra?

The knock sensor on a 2002 Nissan Xterra is typically located on the engine block, near the intake manifold, on the driver's side. It is usually positioned beneath the throttle body or intake plenum. To access it, you may need to remove some components, as it can be somewhat difficult to reach. The knock sensor is crucial for detecting engine knocking and helping the engine control unit adjust timing for optimal performance.