Honda Civic / Del Sol (1992 - 2000) EG/EH/EJ/EK/EM1 Discussion

EK wont idle afler stereo install

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Old Jan 31, 2011 | 12:50 PM
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Default EK wont idle afler stereo install

I'm having the exact same problem as this guy https://honda-tech.com/forums/honda-civic-2001-2005-78/replaced-stereo-now-civic-stalls-stop-lights-iacv-problem-2842239/ except in a 96 civic lx.I had a stereo put in my car and now it stalls at stop lights and stop signs once its warmed up and idles ruff when its cold.Any ideas what the problem could be?
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Old Jan 31, 2011 | 12:52 PM
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Default Re: EK wont idle afler stereo install

Originally Posted by It Wasn't Me
The Idle Relearn is not quite as listed, but close. Reset the ECU by disconnecting the battery, or by removing fuse #6 from the fuse box located under the hood. Wait a couple minutes before reinstalling, then proceed to do the following.

Make sure everything electrical is off. (A/C, radio, rear defog, wipers, lights, etc. etc)
Keep the car in Park or Neutral and start it, then hold it at 3,000 RPM until the radiator fan comes on, or until it reaches operating temperature. (194 degrees).
Take your foot off the gas and let the car idle for five minutes.




Definitely something electrical if it only happens with the stereo hooked up, but the whole thing is a bit odd.
Has the MIL (check engine light) come on at all? Have you checked for stored codes?
Did you use a harness adapter, or is the stereo connected directly to the harness wires?
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Old Jan 31, 2011 | 01:06 PM
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Default Re: EK wont idle afler stereo install

^That's for a 7th generation Civic.

OP, any CEL codes?
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Old Jan 31, 2011 | 01:12 PM
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Default Re: EK wont idle afler stereo install

Originally Posted by RonJ@HT
^That's for a 7th generation Civic.

OP, any CEL codes?
there was no CEL and I just pulled the fuse to reset my ecu so I dont know if there's and codes
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Old Jan 31, 2011 | 01:15 PM
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Default Re: EK wont idle afler stereo install

Does the CEL work? It should turn on and then off after two seconds when the key is turned to ON(II).

Is any electrical component NOT working?
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Old Jan 31, 2011 | 01:19 PM
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Default Re: EK wont idle afler stereo install

Yes the CEL works,I just checked it after reading your post.also I pulled a code 10 off it a week or 2 ago and fixed it.
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Old Jan 31, 2011 | 01:19 PM
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Default Re: EK wont idle afler stereo install

What code did you pull?
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Old Jan 31, 2011 | 01:21 PM
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Default Re: EK wont idle afler stereo install

code 10 and I fixed it.I just edited my post to say that but you responded to fast lol
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Old Jan 31, 2011 | 01:23 PM
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Default Re: EK wont idle afler stereo install

Is dash fuse 15 blown?

Is any electrical component NOT working?

Also, sometimes after resetting the ECU, it takes a little bit of drive time for the idle to properly reset.

Last edited by Former User; Jan 31, 2011 at 01:55 PM.
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Old Jan 31, 2011 | 01:25 PM
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Default Re: EK wont idle afler stereo install

everything works,Ill check the fuse right now
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Old Jan 31, 2011 | 01:26 PM
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Default Re: EK wont idle afler stereo install

are you talking about replacing the head unit, or was any "stereo" work done under hood, ie...power wire for amp??
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Old Jan 31, 2011 | 01:32 PM
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Default Re: EK wont idle afler stereo install

just the deck and fuse number 15 in good
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Old Jan 31, 2011 | 01:33 PM
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Default Re: EK wont idle afler stereo install

Drive the car for 10 or 15 minutes to see whether the idle speed comes back to normal. If not, then try cleaning the IACV and adjusting the idle speed. Do you have the stock 96 Civic engine with no mods?
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Old Jan 31, 2011 | 01:37 PM
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Default Re: EK wont idle afler stereo install

yeah,stock engine with no mods.Ill go drive it now
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Old Jan 31, 2011 | 01:53 PM
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Default Re: EK wont idle afler stereo install

So are you saying that if you unplug the radio, like was stated in the 7th gen thread you linked to, the car idles correctly? I ask because you state you were having the exact same problem.
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Old Jan 31, 2011 | 02:04 PM
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Default Re: EK wont idle afler stereo install

Originally Posted by grumblemarc
So are you saying that if you unplug the radio, like was stated in the 7th gen thread you linked to, the car idles correctly? I ask because you state you were having the exact same problem.
I just unhooked the stereo and it still does it.

I went for the drive and threw a code 61, Primary oxygen sensor.Ill go buy a new one now.
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Old Jan 31, 2011 | 02:07 PM
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Default Re: EK wont idle afler stereo install

Looks like the stereo issue was coincidental.
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Old Jan 31, 2011 | 02:11 PM
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Default Re: EK wont idle afler stereo install

Originally Posted by grumblemarc
Looks like the stereo issue was coincidental.
yeah,that was the first thread I found when I did a search.I hope the O2 fixes it.
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Old Jan 31, 2011 | 04:29 PM
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Default Re: EK wont idle afler stereo install

Before you buy a new O2 sensor, reset the ECU to see whether the same code returns.
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Old Jan 31, 2011 | 05:39 PM
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Default Re: EK wont idle afler stereo install

Originally Posted by RonJ@HT
Before you buy a new O2 sensor, reset the ECU to see whether the same code returns.
Ill try that,but its still idling real low.it didnt stall on me when I drove it though
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Old Jan 31, 2011 | 05:43 PM
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Default Re: EK wont idle afler stereo install

Also, does unplugging the primary O2 sensor eliminate the problem?
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Old Jan 31, 2011 | 05:48 PM
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Default Re: EK wont idle afler stereo install

Originally Posted by RonJ@HT
Also, does unplugging the primary O2 sensor eliminate the problem?
I can find out,should I reset the ECU and unplug my o2 and go drive it?or just unplug the o2?
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Old Jan 31, 2011 | 05:52 PM
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Default Re: EK wont idle afler stereo install

Just unplug it and go for drive.
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Old Jan 31, 2011 | 05:54 PM
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Default Re: EK wont idle afler stereo install

Originally Posted by RonJ@HT
Just unplug it and go for drive.
ok,Ill do that now
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Old Jan 31, 2011 | 05:58 PM
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Default Re: EK wont idle afler stereo install

check for a vacum leak, something might have been bumped loose. o2 sensor doesnt have much to do with the idle. mine isnt working and car idles fine at 650rpm.
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