How do you replace the cam sensor on a 1991 Buick regal 3.1?

To replace the cam sensor on a 1991 Buick Regal with a 3.1L engine, first disconnect the negative battery terminal. Locate the cam sensor, which is typically found near the front of the engine, and unplug the electrical connector. Remove the mounting bolts and carefully take out the old sensor. Install the new sensor in the same position, secure it with the bolts, reconnect the electrical connector, and finally reconnect the battery.