Where is the egr valve located on 99 Chevy s10 4.3?

The EGR (Exhaust Gas Recirculation) valve on a 1999 Chevy S10 with a 4.3L engine is typically located on the intake manifold, near the rear of the engine. It is mounted to the intake manifold with two bolts and has a vacuum line and an electrical connector attached to it. To access it, you may need to remove other components, such as the air intake duct or throttle body, depending on your specific setup. Always consult a repair manual for precise instructions and safety precautions.