(B16a1 in a 1990 CRX Si)
Hey guys, my idle is at around 3-4000 rpm and does not go down at all, even when it's warmed up. I changed 3 IAC's, tried 3 ecu's, ran new wires for the IAC, from the ECU and a power supply, checked all vacumm lines and I still have the same problem... Can someone please give me some ideas... I have no idea where I'm gettin this high idle from..

Thanx,

Pete

 

Another thing is that when I unplug the IAC my idle goes down to 1000rpm and then jumps to 2000rpm and then back and forth, and then when I plug it back in it shoots back up to 3-4000rpm... anyone with any ideas???

 

It couldn't of happened by itself, but I'd check the throttle cable. It might be too tight.

 

i had the same problem in my 94gsr, i was told it was my iac i couldn't get a new one so i just bought a jg tb block off the iac and now idles a 1000. u could try to change ur tb and see if thats the problem.

 

check tps, and the idle adjustment screw on the tb

 

let us know what it was if you got it.

 

check your tb gasket..

 

[QUOTE]check tps, and the idle adjustment screw on the tb[/QUOTE


Ditto