djarovsky

On a cold start, my 2001 CL-S will occasionally have a slightly fluctuating idle. I also sometimes get a low idle during normal driving conditions when coming to a stop.

I've heard issues with the IACV (idle air control valve) on our cars, but is it the real culprit? This seems like a relatively common issue.....but I'm not aware of any TSB.

I think some of you have replaced this part and it didn't fix the problem....any other thoughts?

Excelerate

iTrader: (1)

See this thread, which can be found if you search for "idle" under the search function:

https://acurazine.com/forums/showthr...highlight=idle

Basically, it can be Idle Air Control Valve, battery, oxygen sensors, or bad gas.

Josh
Excelerate LLC

Dem1K

iTrader: (1)

how the hell do you know which one it is?? For sure I know mine isn't bad gas because it's been doing this for quite a while now

us000011

I test drove a gold CL with 65K at the local Acura Dealer before I bought my Black and Tan CL. The first time, the idle was going from 1K to 2K on a 5 second interval, making the car very hard to drive, as it wanted to accelerate while braking.
The sales guy had it fixed and I drove it again- it was fine. He told me it was the idle controller valve or module. Apparently it's a common problem, but they had to order the part.
Hope this helps.

djarovsky

Thanks for the link. I don't think it's bad gas or bad oxygen sensors.....as this has been happening for a long time. It's not causing my car to stall- just been a real annoyance. If this is so common, then why no TSB?

How does adjusting the screw help? I think it's just a band-aid and will just mask the real problem.

Also, everytime my car is in for service at the dealer, it never happens....go figure I always get the "unable to reproduce" response. I think it's been documented though at some time, so if the valve is truly bad, then I may have some hope for a free new one.

98 CL

Resurrecting this old post as proof that I searched first. I am having the same problem with my idle- it surges from about 800 to 2200 rpms. I know the Idle Control Module is the culprit, but I have 2 problems.
1- I dont know where it is, excactly. I need a picture, too, because I've been verbally told and still couldnt find it. A picture would really help.
2. This is my second time replacing this part, within like a year and a half. I think something is causing it to go bad. Any ideas? At like $230.00, this is an expensive recurring problem
thanks

GreenMonster

edit: This is only for a 2nd Gen CL, you have a 98 (1st gen) CL, don't you (if you do have a 2nd gen CL, please change your signature).

Check these thread (there both in the big orange sticky at the top of the forum):

https://acurazine.com/forums/ramblings-12/goddam-its-hot-184758/

https://acurazine.com/forums/showthr...+control+valve

I haven't needed to clean or replace mine, but I could have swore they were cheaper than that... (it's only like $102 from acura carland).

parts list here

98 CL

yeah- my bad, didnt notice the thread's 2nd gen info when I replied. Thank you for the info, though. It helped.