Where is the knock sensor on a infinti i30 1999?

On a 1999 Infiniti I30, the knock sensor is located on the engine block, typically on the driver's side. It is usually found near the intake manifold, mounted on the engine's lower section. To access it, you may need to remove some components, such as the intake manifold, depending on the specific engine layout. Always refer to a repair manual for precise instructions and locations.