Where is the PCV valve located on a 1998 infiniti QX4?

The PCV (Positive Crankcase Ventilation) valve on a 1998 Infiniti QX4 is typically located on the valve cover. You can find it on the driver's side, where it is connected to a rubber hose that leads to the intake manifold. To access it, you may need to remove any surrounding components for better visibility and reach. Always consult the vehicle's service manual for specific instructions and diagrams.