Were is the egr valve on a 1999 infinity qx4?

The EGR (Exhaust Gas Recirculation) valve on a 1999 Infiniti QX4 is located on the passenger side of the engine, near the intake manifold. It is typically mounted on the intake manifold itself and connected to the exhaust system via a pipe. To access it, you may need to remove some components for better visibility. Always consult the vehicle’s service manual for specific details and diagrams.