car won't idle after upper 60k.

[jmpSHO]

I have a 94 ATX and it won't idle without me giving it gas after I did the upper 60k. When it warms up it will idle but usually it stalls out. I am thinking a bad IAC but I want a few opinions before I buy one. I do have a code 124 before everyone asks for codes. I checked for a vac leak and I couldn't find one so I doubt thats the problem. Before the 60k it stalled once in a while. I am thinking I messed up the IAC while I was cleaning the intake. I did remove the IAC and clean it with no change.

KEOR code 412.

 

[LOUDSHO92]

Did you disconnect the battery? If so the SHO needs to learn to idle again.

 

[jmpSHO]

Did you disconnect the battery? If so the SHO needs to learn to idle again.

I tried the idle reset procedure a few times but nothing changed.

 

[rubydist]

Check again for vacuum leaks - it sounds exactly like a vacuum leak to me.

 

[JRA2000TL]

Check again for vacuum leaks - it sounds exactly like a vacuum leak to me.

This has to be your problem. Ask me how I know. I just wound up pulling the intake manifold and re-seating it. Make sure you plugged everything in too. Once I got mine back together a 2nd time, it started and ran with a CEL light. Then I pulled the code and realized I didn't plug in that small plug at the bottom of the air box.

 

[jmpSHO]

I'm going to pull the intake again, maybe I didn't seat it right. I doubt it's a hose I replaced all the intake hoses and I triple checked to make sure they were all hooked up.

 

[jmpSHO]

It ended up being the IAC. No vacuum leak.