One problem related to accelerator pedal has been reported for the 1997 Oldsmobile Achieva. The most recently reported issues are listed below.
Accelerator pedal locked up at 55mph. Then took off at 75mph. Had applied brakes, vehicle did not stop. Smoke from brakes. Geared down from 3rd to 2nd to 1st. Turned off ignition. Checked vehicle & noticed gas line that pulls throttle popped off clip onto motor.