i have a 96 honda accord lx with a 93 jdm h22a and it seems to be jumping up and down between 1000rpm and 400 rmp the idle is really rough. sometimes when i gas it and let it go it revs by it self n it really gets annoying. ive checked for vacum leaks everything seems fine. i dont know which sensor to check and also when i warm up my car sometimes the idle jumps up and down from 400rpm to like 3000rpm for a lil bit then it goes back to the idling rpm with a steady idle. i dont know what else to check for!!!!!

 

Check the 2 valves that are on the throttle body. One is the IAVC and the other is below. I had a problem and it was the other one (Idont know the name) anyway theres a screw in there and it was loose, so we tightened it and my idle went back to normal

 

http://www.ef-honda.com/ben/Badidle.php

 

hell yeah koo koo it works thanks alot

 

it was my idle booster or watever u kall it but yeah i pluged it up before to stop this poping noise but i guess it was the one that messed with my idle so i took out the plug thanks for the help tho