Where is the crankshaft position sensor on a 2003 Saturn Ion 2.2?

On a 2003 Saturn Ion with a 2.2L engine, the crankshaft position sensor is located on the engine block, near the rear of the engine, close to the transmission. Specifically, it can typically be found mounted near the crankshaft pulley, making it accessible from underneath the vehicle. To reach it, you may need to remove some components for better access.