Where is the map sensor located on a 4.3?

On a 4.3-liter V6 engine, the map (Manifold Absolute Pressure) sensor is typically located on or near the intake manifold. It is often mounted directly on the manifold itself or on the throttle body. To find it, look for a small sensor with an electrical connector and vacuum hose attached, usually on the driver's side of the engine. Be sure to consult the vehicle's service manual for the exact location, as it may vary slightly by model year.