1993 Honda Civic Idle Air Control Valve

187,000 MILES • 4 CYL • FWD • AUTOMATIC
Avatar
MARTEE
  • MEMBER
  • 1 POST
I removed the IACV and found in the leading hose (intake) a fluid that looks like anti-freeze. Where might this be coming from and is it possibly something I can fix myself? The engine idles fine until warm up then tries to die. I was told at Pep Boys (please don't hold that against me) that it was the IACV and was very expensive to replace on this model. So I googled and found how to clean first. I did so but it didn't click that this was idle AIR and there shouldn't be fluid in the incoming line. Any help you can give would be much appreciated.
Apr 6, 2010 at 6:25 AM
Avatar
KHLOW2008
  • ✓Experienced Mechanic
  • 41,812 POSTS
Hi Martee,

IACV = Idle Air Control Valve, also known as the EACV ( Electronic Air Control Valve).

At lower portion of the IAC there are 2 hoses and both these are for coolant to travel through. This is for control of the IAC.
Apr 10, 2010 at 6:58 PM
Add a reply
Join 2CarPros for free, one of the most advanced car repair communities on the internet. From first-time drivers to seasoned mechanics, everyone is welcome to reply, share details, and get better answers. You can add a temporary image or video first; uploads are limited to 20 MB.

Frequently Asked Problems for This Vehicle