Where is the knock sensor circuit 1 in Chevrolet Express 98?

In a 1998 Chevrolet Express, the knock sensor circuit 1 is typically located on the engine block, near the cylinder head. Specifically, it can usually be found on the driver's side of the engine, often beneath the intake manifold. This sensor is responsible for detecting engine knock or pinging, allowing the engine control module to adjust ignition timing for optimal performance.