On a 1997 Toyota 4x4 with a V6 3400 engine, the EGR (Exhaust Gas Recirculation) valve is typically located on the intake manifold, near the rear of the engine. It's usually mounted to the engine block and connected to the exhaust system via pipes. To access it, you may need to remove some components like the intake duct or other parts for better visibility. Always consult the vehicle's service manual for precise location and removal instructions.
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