Where is the crank shaft sensor for a 2000 Chevy 5.3 liter v8?

The crankshaft position sensor for a 2000 Chevy 5.3 liter V8 is located on the engine block, near the rear of the engine, just above the oil pan. It can be accessed from underneath the vehicle or through the wheel well, depending on the application. It's typically mounted near the crankshaft and is secured with a bolt, with a wiring harness connected to it.