secondary o2 sensor

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May 6, 2009 | 04:31 PM

bluenitro1

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Joined: May 2009

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secondary o2 sensor

i have a 97 civic hx, the secondary o2 sensor was left out and the harness is not hooked up, the harness is a 4 pin can anyone tell me where i plug it in on this model, thanks

May 7, 2009 | 09:26 AM

seanbev24

Honda-Tech Member

Joined: Nov 2008

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From: Seattle, WA

Re: secondary o2 sensor

I believe the secondary o2 should plug into the harness under your dash, somewhere behind your center console. I think the wiring goes through a rubber grommet in the floorboard.

May 11, 2009 | 02:29 PM

Blue00Si

Honda-Tech Member

Joined: Feb 2007

Posts: 275

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From: thornton, co, 80233

Re: secondary o2 sensor

you dont even need the secondary o2 sensor really.

May 11, 2009 | 03:01 PM

philafelman

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Joined: Mar 2002

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From: in this nutshell

Re: secondary o2 sensor

maybe under the carpet by the center console...isnt there a hole in the floor by your exhaust that its supposed to come out of. how long is the harness out of your o2 sensor?