Where is egr valve on 1994 GMC Sierra?

The EGR (Exhaust Gas Recirculation) valve on a 1994 GMC Sierra is typically located on the engine intake manifold, near the throttle body. It is usually mounted with two bolts and connected to the exhaust system via a tube. To access it, you may need to remove other components depending on the engine configuration. Always refer to the vehicle's service manual for specific details and diagrams.