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a/f gauge

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Old Aug 3, 2004 | 02:15 PM
  #1  
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Default a/f gauge

ok well i installed it today and it only stays in lean ..like so far down that normally it will just disappear .. untill it decideds to light up the very last lean light then proceed to disappear again...well anyways i know my car isnt running that lean and this gauge also happened to do that in my old car to.. i hooked it up to the white wire coming off my o2 sensor is that right? well i guess its just defective or sumthing what do u all think?
thanks
zach

Last edited by Runnin13s; Aug 3, 2004 at 02:17 PM.
Old Aug 3, 2004 | 02:27 PM
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Default Re: a/f gauge

you mean the light show isnt dancing?


i am not much of a fan of them myself....but you need to hook it into the signal output of the O2, and make sure its in the upstream one....
Old Aug 3, 2004 | 02:32 PM
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Default Re: a/f gauge

Originally Posted by fc735
you mean the light show isnt dancing?


i am not much of a fan of them myself....but you need to hook it into the signal output of the O2, and make sure its in the upstream one....

yes that exactly ...and how do i know which wire is which?? some one help me i have a 92 sohc vtec
Old Aug 3, 2004 | 02:47 PM
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Default Re: a/f gauge

what kind of car? it depends, I used the lead for O2 off of my ecu, if you got real ballsy you could have an exhaust shop weld in a new bung and add wideband and have it use that gauge with a little electronics finagling... otherwise they are useless...
Old Aug 3, 2004 | 02:49 PM
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Default Re: a/f gauge

umm its a 92 civic 4 door sohc vtec ecu is p28
Old Aug 3, 2004 | 02:55 PM
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Default Re: a/f gauge

Looks like pin D07, white wire check on this link and that should help

http://www.hondaswap.com/forums/inde...howtopic=29360
Old Aug 3, 2004 | 02:58 PM
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Default Re: a/f gauge

it would have helped but i dont know all those abreviations(sp) ...lol....thanks
though... but look i have 2 black wires 1 green wire and 1 white wire coming from my o2 sensor which one do i tap ...?? any one?"
Old Aug 3, 2004 | 03:37 PM
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Default Re: a/f gauge

green wire
Old Aug 3, 2004 | 03:40 PM
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Default Re: a/f gauge

are u sure ?? sorry to question u but i have had alot off diff answers lately
Old Aug 3, 2004 | 05:22 PM
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Default Re: a/f gauge

two are grounds, one is 12v for the heater, and the other is the signal output.


different cars are different as to what is what.....but i am sure someone has a wiring diagram (i do, but its at work....)

got a voltmeter? take it and backprobe to see which one (green or white) has 12v on it when you turn the key on. then, tap off of the other one.



and as a sidenote, i assume its probly an Autometer one? there are a few O2 sensors that they dont work with, and alot of Hondas use a different kind of O2. the best thing to do is to have an additional bung added and use an O2 that works with it, or get a wideband (but that is too much money for alot of people, even the DIY one the sensor for it has gone outrageous, to about 395 last i checked.)



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