Where is the crankshaft sensor in 2003 Chevy Trailblazer?

In a 2003 Chevy Trailblazer, the crankshaft position sensor is typically located on the engine block, near the transmission bell housing. It is often found on the driver's side of the engine, just above the oil pan. To access it, you may need to remove some components, such as the air intake or other nearby parts. Always consult the vehicle's service manual for precise location and replacement instructions.