I searched everywhere about surging idle. It goes from 750 rpm to 1000 and back. If I put my hand over the throttle body it stops the surging and the idle is fine. I read somewhere about what that meant. Can anyone help out?

 

try the idle screw

 

Don't mess with the idle screw just yet...Which year, model and trim?

Any vacuum leaks? Idle Air Control Valve dirty?

 

1989 dx d15b2 I checked for vaccum leaks and there was one. On the dashpot. I did already mess with the screw. When I turned the screw up a little but the idle is like 1.2k rpm. and the surging stops. Then when I back it down a little bit the surging starts again. I replaced the iacv to a good one that I had off another engine. I took the bubbles out of the coolant system and toped it off. Also when I cover the whole throttle body with my hand it idles fine and does not die.

 

I think it's your FITV. It's right under your throttle body held on by 3 10mm bolts. TRy this, it worked for my crx

https://honda-tech.com/forums/showth...highlight=FITV

https://honda-tech.com/forums/acura-integra-6/%2A%2A%2A-how-%2A%2A%2A-clean-your-fitv-aka-fast-idle-thermo-valve-1564019/

 

I have the dpfi not the mpfi I dont have a fitv