1990 Pontiac Grand Am Q&A

1990 Pontiac Grand Am Question: Surging and stalling in Park or in Drive

My car is actually a 1987 Pontiac 6000 LE. I was told it could be one of the following: Throttle Positioning Sensor, EGR, or Oxygen Sensor. Which one is most likely to cause this problem? -
Answer 1
try map sensor -