One problem related to o2 sensor has been reported for the 1997 Plymouth Voyager. The most recently reported issues are listed below.
Engine check light comes on due to bad vibration, won't shift into gear, like it's running out of gas. The dealer replaced the oxygen sensor as a possible cause but it wasn't. Then, fuel filter was replaced but it wasn't again. Finally, the #3 spark plug wire was replaced and the problem was solved.