hey i have a 88 hatch with a d16z6 that idels about 4,000 to 4,500,and i cant find any leaks and i cleaned the thorttle body and still cant get it to go down,any ideals

 

i have the same problem, but it only idel up to 3,000 while trying to heat up...but once heat up, it idel at 2,500 and down to 1,000 and goes up again and down, and repeats for a while....but i have a ls-turbo...also having over heating problems too...HELP ANYONE!!!