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-   -   Issues with the idle valve (https://www.miataturbo.net/aem-59/issues-idle-valve-37887/)

Rafa 08-07-2009 11:54 AM

Issues with the idle valve
 
I need some help from the AEM gurus.

I've been facing issues with my car's idle valve. It works properly for the first few minutes and somehow it stops responding after a while. I originally thought it had to do with some kind of heat soak but I'm not convinced that's the case any more.

If I park the car for a little while and then turn it on, it works fine for the first few minutes and then stops working again.

Can anyone tell me what may be going on?

Thanks

avante43 08-13-2009 02:45 PM

Open up the Parameters under the Idle menu.

Does the Idle position change at all?

dustinb 08-14-2009 11:00 AM

Post your map up and I'll have a look at it.

Rafa 08-18-2009 05:58 PM


Originally Posted by dustinb (Post 442489)
Post your map up and I'll have a look at it.

What am I doing wrong?

I'm trying to upload one of the AEM files and I get a message saying "invalid file"

dustinb 08-18-2009 10:04 PM

try emailing it to me as an attachment
scaliose [at] dbmiata [dot] com

Rafa 08-19-2009 09:49 AM


Originally Posted by dustinb (Post 443985)
try emailing it to me as an attachment
scaliose [at] dbmiata [dot] com

Ok. Thanks

dustinb 08-19-2009 10:38 AM

What year is your miata?

Rafa 08-19-2009 01:55 PM


Originally Posted by dustinb (Post 444101)
What year is your miata?

96
Built engine with 550cc RC high impedance injectors and 255 Walbro fuel pump

Rafa 08-21-2009 02:19 PM

Dustin, the map I sent you allows me to use the A/C while the car is not too hot and the only other issue I constantly face is when I decelerate and I'm coming to a stop. Quite often, the car will stall and shut off.

Thanks,

stinkonamonkey 10-08-2009 04:35 PM

Mine does the same thing. Did you end up figuring this out?

Rafa 10-08-2009 05:02 PM


Originally Posted by stinkonamonkey (Post 465422)
Mine does the same thing. Did you end up figuring this out?

No, I did not.

As I told you in my pm; a local mechanic suggested that I adapt a solenoid to control the A/C. I still haven't found one I could use.

Midtenn 01-24-2010 11:25 PM

I hate bringing up old topics, but I am having the same problem on my AEM EMS. I am working off the base calibration file adjusted for RC 550cc (3ohms). Everything is fine until the water temp gets around 150F. If I blip the throttle, it idles at 2100 rpm. Unplug the IAC, and it returns to a normal idle. I have sent a few PM's, but I was going to see if anyone had solved this problem? Thanks.

Rafa 01-25-2010 08:26 AM


Originally Posted by Midtenn (Post 512792)
I hate bringing up old topics, but I am having the same problem on my AEM EMS. I am working off the base calibration file adjusted for RC 550cc (3ohms). Everything is fine until the water temp gets around 150F. If I blip the throttle, it idles at 2100 rpm. Unplug the IAC, and it returns to a normal idle. I have sent a few PM's, but I was going to see if anyone had solved this problem? Thanks.


pm replied.

Connect to AEM PRO. Open the idle template. 2 tables called: "Idle Target Base table" and "Idle % vs Target Table" will appear.

I have my first one set at 1,000 rpms lowering to 900 once the temp reaches 190.

The other one (Idle %) is the one you have to play with.

Shoot me an email and I'll try to help you.

FWIW; I never had a problem with my car idling if I didn't turn the A/C on. It was that part I was originally trying to fix.

avante43 01-25-2010 10:08 AM


Originally Posted by Midtenn (Post 512792)
I hate bringing up old topics, but I am having the same problem on my AEM EMS. I am working off the base calibration file adjusted for RC 550cc (3ohms). Everything is fine until the water temp gets around 150F. If I blip the throttle, it idles at 2100 rpm. Unplug the IAC, and it returns to a normal idle. I have sent a few PM's, but I was going to see if anyone had solved this problem? Thanks.


Did you setup the Idle % vs target table?

Midtenn 01-25-2010 10:19 PM

Thanks guys. I will start there and see what happens.

Savington 03-11-2010 02:29 PM

I had that problem, changing the Idle FB Below parameter from 1800 to 2500 solved it.

Midtenn 03-15-2010 07:57 PM

Yeah. After talking with a few others thats what I need to do. Weather and timing have kicked my butt lately.


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