How do you fix the high idle on a 1989 Honda Accord?

I have1989 Honda Accord Lx automatic with cruise control. It idles too high. When it is on Parking or Neutral the rpm is 2500 and above. However when it is on Drive the rpm goes down to 1600. What should I do?How do you fix the high idle on a 1989 Honda Accord?replace chokeHow do you fix the high idle on a 1989 Honda Accord?it could be a few things first check to see if everything is moving freely . That is a real high idle chances are something is binding.How do you fix the high idle on a 1989 Honda Accord?sounds like it could need a new idle air control valve