help on prelude

hey i have a 94 prelude and ever time i start up the car hot or cold it idels and does not come down. It hunts from 1500 to 3000 i first thought it was a air hose but i checked all of them and that was not the problem. So if anyone can help please let me know. You can email me at --- [email protected] or im me- megaskilz223 Thanks