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07-28-2008, 07:25 PM #1
How to connect air/fuel ratio gauge?
Just purchaced a air/fuel gauge and was wondering were do i connect the purple wire to? o2 sensor? were is best and if you have pics would be great thanks! http://ecx.images-amazon.com/images/...500_AA280_.jpg
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07-28-2008, 07:26 PM #2
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- Aug 2005
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Red Tint Jewelcoat- 2008 Trailblazer SS
To connect it...
Power, ground, purple wire off the O2 wire.
I would recommend this...since it is the perfect wire fit for the O2 harness. Meaning, no cutting into the factory wiring, which can cause all kinds of problems.
http://www.lmperformance.com/2602/1.html
To be honest though, that gauge is nothing more than a light show. Isn't accurate using the stock O2's....which are narrowband.
Wideband or nothing.
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07-28-2008, 07:32 PM #3
All i need to know if its lean or rich not specific numbers. Will it atleast tell me that? where is the 02 sensor located on the car?
Last edited by Cali Night Stalker; 07-28-2008 at 07:34 PM.
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07-28-2008, 07:44 PM #4
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07-29-2008, 07:49 AM #5
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07-29-2008, 02:06 PM #6
- Join Date
- Sep 2005
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- TEXAS... U mad?
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Black / Stryker Blue- 2K WS.6/ 2K9 G8GT
+1 on the wideband. also look around on craig's list.
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07-29-2008, 06:29 PM #7
The ultimate in cheap, but a surprisingly good wideband can be found here: http://www.14point7.com/JAW/JAW.htm
You need a sensor to go with that, and I have them for sale here at quite a nice price (shop around and see!) http://www.lsxtune.com/shop/product_...roducts_id/345
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07-29-2008, 06:33 PM #8
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07-29-2008, 06:47 PM #9
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07-30-2008, 12:31 AM #10
that is slick....have you ever seen that one working and logging with hptuners? That's also a nice price you have on the bosch sensors....I paid ~$80 for mine last year I think. I'll know where to go when this one dies. I murdered my other one with condensation...won't make that mistake again.
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07-30-2008, 06:46 PM #11
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07-30-2008, 07:00 PM #12
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07-31-2008, 11:16 AM #13
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07-31-2008, 11:18 AM #14
It needs a seperate bung. Many people use a rear O2 since many people ditch their cats. Even if you keep the cats, the rear O2s could still be tuned out so that a wideband sensor could reside in one of their bungs.
I have bungs and plugs here: http://www.lsxtune.com/shop/index.php/cPath/103_104
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07-31-2008, 11:57 AM #15rapter34Guest
Now here is a question unless you are tuning isn't the wideband just for show? I mean you can watch your A/F but IF you already had it tuned they are kind of useless????
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07-31-2008, 12:27 PM #16
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07-31-2008, 02:42 PM #17
MAFs drift off from calibration over time (and not that much time either) and nitrous, S/C'd or turbo'd setups have more complex and critical needs as well. Fuel pumps get fatigue, rail pressure drops and AFR changes as well.
I can't imagine not having one, you are essentially blind.
My stock 02 Z71 5.3L has only one aftermarket part. Wanna guess what it is?
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08-01-2008, 02:27 PM #18
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- Dec 2005
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- Laurel, Maryland
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2000 Grand Prix GTP- 2000 Trans Am WS6 M6
Frost, does your Wideband O2 come with wiring intructions?
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08-01-2008, 06:15 PM #19
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08-06-2008, 06:11 AM #20
If I buy the AEM Wideband that comes with a gauge and only one sensor, can I put it in place of one of my rears o2's and plug the other one. Then have my o2's deleted from my computer, or would it be better to put the wideband in the y-pipe? I really like the aem gauge/sensor combo, but I don't think it will work w/ one sensor for each bank.
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