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Subject: "Opinions/Advices(O2, A/F, electrical)" Previous topic | Next topic
coppereclipse95May-24-04 04:13 AM
Member since Apr 29th 2002
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#75016, "Opinions/Advices(O2, A/F, electrical)"




          

I got few random questions...
1.) A/F reading during WOT
I just recently bought a digital A/F gauge with number readings (not light show gauge). Should the reading stay constant through all gears? Like for gears 1-5 WOT reading to be constant 0.893 +/- 0.03? OR does different gears have different A/F ratio? I also had different reading depending on time. My morning reading were richer than night readings. I also saw a case where the readings kept increasing. Ex. In 3rd and WOT, I saw my gague reaing to pop up to 0.912 (just WOT) then it kept increasing slowly 0.913, 0.914, 0.915... I never saw it stop. Any input?
2.) O2/Electrical
I've been wondering for a while now. I'm just curious to how much of a difference would it make deping on just strip/twist vs. solder. I have not soldered anything on my car. All I do is strip/twist/cap/tape. Would that make enough resistance to make gauges to read differently? I know the O2 sensor is really sensitive when it comes to voltages. But if the type of electrical connections creats more resistance, that would throw my numbers off right? So, I wanted your opinion on strip/twist vs. solder. Not just for O2 related, any electrical connections on my car.

Let me know your inputs. I got more questions, but these should answer most of them. TIA

1995 Eclipse RS

  

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mcgyvrMay-24-04 04:15 AM
Old School 2GNTer
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#75017, "RE: Opinions/Advices(O2, A/F, electrical)"
In response to Reply # 0


          

yes o2 readings will be different for different gears and different weather conditions.

and soldering is ALWAYS better.
might not make much of a difference but enough to throw off an o2 sensor reading

1998 dodge avenger 4 cyl AT
Mods are:
Not enough

  

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jsupetranMay-24-04 05:01 AM
Member since May 04th 2002
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#75018, "RE: Opinions/Advices(O2, A/F, electrical)"
In response to Reply # 1




          

I've read on here that you MUST solder the O2 wires to get the right readings. That could be enough to get bad readings.


-------jezreel
1998 GS with hrc stage 2, sfmu, ml, prokits, egt, boost gauge, apexi tt, haydans tranny cooler, costum dp, dr. uber groundwires, dynotune fp gauge. gst muff, turbo spoiler
Boostin since Aug 03.

nothing like driving with the windows down and the music low: i love hearing the turbo spool, swwwhhhttt!!!!
thanks for www.kaptainmyke.com for the sig hosting emoji

  

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TeamMichael_97RSMay-24-04 08:40 AM
Donating 2GNT member
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#75028, "RE: Opinions/Advices(O2, A/F, electrical)"
In response to Reply # 2


          

I would definately solder, when you are using that gauge to tune by, you do not want to be going by false readings.



Exile Racing Technologies: http://www.exileracing.com
una salus victus

  

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coppereclipse95May-25-04 09:38 AM
Member since Apr 29th 2002
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#75103, "RE: Opinions/Advices(O2, A/F, electrical)"
In response to Reply # 3




          

So it WILL throw off the readings? So, would soldering it make it more accurate? or just a little better? Because I'm not the best at soldering. I just want to get accurate as possible. But either way, I'll try to solder later... thanks

1995 Eclipse RS

  

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