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Cleaned IACV -- now car idles VERY LOW

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Old 03-26-2012, 07:00 PM
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Default Cleaned IACV -- now car idles VERY LOW

I've been having an issue with my car idling low for awhile so I decided to take off my IACV and clean it. I took it off sprayed it with some carb cleaner a couple times and put it back on. Plugged everything back up and what not. Started the car and it seemed okay. After it got warm the idle dropped VERY low. Every time I hit the gas it would rev up and then drop to the point where its about to cut off. Help me! What did I do wrong?
Old 03-26-2012, 07:20 PM
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Default Re: Cleaned IACV not car idles VERY LOW

mess with the idle screw on the TB



UPSIZE FONT DONT HELP JUST LIKE MY CAPS DONT
Old 03-26-2012, 07:31 PM
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Default Re: Cleaned IACV not car idles VERY LOW

Will give it a try.
Old 03-26-2012, 10:09 PM
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Default Re: Cleaned IACV not car idles VERY LOW

Its a flat head.
Old 03-26-2012, 10:15 PM
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Default Re: Cleaned IACV not car idles VERY LOW

make sure you let the car warm up fan should come on at least once, unplug the plug for your iacv and adjust the tb screw to your desired idle, plug the clip back into your iacv, pull the ecu fuse in the fuse box located in your engine bay wait 15 seconds so your ecu could adjust/reset for your new idle adjustment, plug the ecu fuse back in and restart your vehicle.

***2nd fix that horrid bold font.
Old 03-26-2012, 11:09 PM
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Default Re: Cleaned IACV not car idles VERY LOW

Hahaha sorry guys. I'm new to this lol. But forsure. Will give it a goi the morning.
Old 03-27-2012, 06:35 AM
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Default Re: Cleaned IACV not car idles VERY LOW

don't just randomly mess with the idle screw. adjust it to the proper setting as famous was describing. also, it would help to know what car you are working on

Old 03-27-2012, 07:47 AM
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Default Re: Cleaned IACV not car idles VERY LOW

Thanks. Its a 94 del sol si. I believe its a D16z6.
Old 03-27-2012, 08:58 AM
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Default Re: Cleaned IACV not car idles VERY LOW

I followed the steps and its still doing the same thing. I recorded it,I will upload the video now.
Old 03-27-2012, 09:04 AM
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Default Re: Cleaned IACV not car idles VERY LOW

Meh. I had this same problem after I cleaned mine. "Uh-oh" I said, thinking I had really mucked things up. Fiddled with the adjusting screw, still ran like crap. It was late by this point, had to go to bed. Next AM, everything's fine. Drove to work, no issues.
Old 03-27-2012, 09:05 AM
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Default Re: Cleaned IACV -- now car idles VERY LOW

Try resetting the ECU.
Old 03-27-2012, 09:07 AM
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Default Re: Cleaned IACV not car idles VERY LOW

Originally Posted by Ju1cesk8er
I followed the steps and its still doing the same thing. I recorded it,I will upload the video now.
where is your video?
Old 03-27-2012, 09:11 AM
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Default Re: Cleaned IACV -- now car idles VERY LOW

Originally Posted by RonJ@HT
Try resetting the ECU.
This too. I believe it's the 7.5A fuse under-hood.
Old 03-27-2012, 09:29 AM
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Default Re: Cleaned IACV -- now car idles VERY LOW

where does the car idle with the IACV unplugged? does the idle change when you plug the IACV back in?
Old 03-27-2012, 09:49 AM
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Default Re: Cleaned IACV -- now car idles VERY LOW

Heres the video http://www.youtube.com/watch?v=vNpLU...ruYMvXxz5rU%3D
Old 03-27-2012, 09:52 AM
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Default Re: Cleaned IACV -- now car idles VERY LOW

It idles very low with IACV unplugged like 150-200. With it plugged in it seems to idle fine. but once I give it some gas it drops very low and catches itself. If I can make a better video let me know. I have all day.
Old 03-27-2012, 09:53 AM
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Default Re: Cleaned IACV -- now car idles VERY LOW

Originally Posted by deschlong
This too. I believe it's the 7.5A fuse under-hood.
I reset it when I adjusted the idle.
Old 03-27-2012, 09:54 AM
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Default Re: Cleaned IACV -- now car idles VERY LOW

Drive around for 20 minutes to see if the idle settles down.
Old 03-27-2012, 10:01 AM
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Default Re: Cleaned IACV -- now car idles VERY LOW

Originally Posted by RonJ@HT
Drive around for 20 minutes to see if the idle settles down.
Will do now.
Old 03-27-2012, 11:54 AM
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Default Re: Cleaned IACV -- now car idles VERY LOW

If it idles at 200rpm with IACV unplugged at operating temp with all accessories off then you need to adjust your idle screw just like in the instructions!

You say you followed the steps, then you say with it unplugged it idles at 200.
Thats not following the steps!

make it idle higher
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