Where are the spark plugs on a 01 buick regal?

The spark plugs on a 2001 Buick Regal are located on top of the engine, under the plastic engine cover. To access them, you'll need to remove the cover. The exact location relative to other engine components will depend slightly on whether your Regal has a V6 or a 4-cylinder engine. However, they are generally centrally located over the cylinder head.