Extra sensor on ZC?

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Old Jul 21, 2002 | 08:30 PM
  #1  
1990hondaHF's Avatar
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Default Extra sensor on ZC?

Got most of the harness transfer from the HF to the ZC done but there seem to be an extra 3 prong sensor on the top of the throtle body that there is not a connector for on my HF harness. On the ZC harness there was a connector for this. Do I leave this unhooked?
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Old Jul 22, 2002 | 05:04 AM
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Default Re: Extra sensor on ZC? (1990hondaHF)

bump
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Old Jul 22, 2002 | 05:49 AM
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Default Re: Extra sensor on ZC? (Lil Cs Zc)

I got a ?? harness from a ht member. It came with a extra plug.

the plug didn't connect to anything and it runs fine.

You might not have the same harness as me. .

Anybody wanna back me up on this one ?

I will take a photo of my extra plug when i go home.
I think you're talking about the cold air something or other on the back of the manifold. I think it is a 2 pin connector that goes to nothing on the ZC.
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Old Jul 22, 2002 | 05:53 AM
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Default Re: Extra sensor on ZC? (Lil Cs Zc)

I don't have an extre plug on the harness except for the EGR thing. I do, however, have a extra sensor on top of the throtle body that came on the ZC that in NOT plugged in because there is no pleg on my HF harness for it.

I'll post a pic when I can...and when I find out how.


[Modified by 1990hondaHF, 10:07 AM 7/22/2002]
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Old Jul 22, 2002 | 06:03 AM
  #5  
shotty's Avatar
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Default Re: Extra sensor on ZC? (1990hondaHF)

As we figured out in the post about your distributor, you have an obd1 ZC I dont know what that sensor is though....
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Old Jul 22, 2002 | 06:19 AM
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Default Re: Extra sensor on ZC? (shotty)

As we figured out in the post about your distributor, you have an obd1 ZC I dont know what that sensor is though....
Sure sounds like MAP to me, but I'm not 100% sure.
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Old Jul 22, 2002 | 06:45 AM
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Default Re: Extra sensor on ZC? (Lil Cs Zc)

You don't need that. When I did my swap that extra plug did not have a mate on the Zc so I just left it off. My car runs fine and even passes the smog test. I would not worry about it. I could post a pic, but if someone explains how, I will.


[Modified by clean90Si, 10:45 AM 7/22/2002]
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Old Jul 22, 2002 | 10:03 AM
  #8  
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Default there is always an extra plug

when u do a zc swap mine is right near my distirbutor.its a lil green plug that dosent plug into **** and it runs fine. but i also think thats why my check engine light comes on! lol
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Old Jul 22, 2002 | 12:12 PM
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Default Re: there is always an extra plug (XEF-8X)

Is that the EGR plug?
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Old Jul 22, 2002 | 12:27 PM
  #10  
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Default Re: Extra sensor on ZC? (Lil Cs Zc)

Thanks Lil Cs, I had the software on my PC and didn't bother with it. Anyways this pic will hopefully show what I'm talking about. [IMG] http://mediaservice.photoisland.com/...3194866940.jpg [/IMG]
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Old Jul 22, 2002 | 12:28 PM
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Default Re: Extra sensor on ZC? (clean90Si)

I think thats it!
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Old Jul 22, 2002 | 03:03 PM
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Default Re: Extra sensor on ZC? (Lil Cs Zc)

looks like the fast idle control that attaches to your intake manifold. Mines dangling, no probs yet.
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Old Jul 23, 2002 | 04:18 AM
  #13  
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Default Re: Extra sensor on ZC? (Lil Cs Zc)

I think you're talking about the cold air something or other on the back of the manifold. I think it is a 2 pin connector that goes to nothing on the ZC.

I don't think so therealciviczc
I will send you a photo of it. . . . I would like to know what that goes to. . so if your right
That was the one I was talking about. I thought it was called the cold idle control, but "fast idle control " sounds correct to me.
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Old Jul 23, 2002 | 12:15 PM
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Default Re: Extra sensor on ZC? (therealciviczc)

I thought it was the purge, and the HF harness has 2 extra plugs on it, one is an egr plug I think...
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