Thread: Regrounding the O2 Sensor

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2008-08-12 18:25:23

#251

Vadim

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Originally Posted by Pretty
And to think I just bought a new 3 wire Bosch. WHy did I just see this thread.
So question. Is this mod worth it to everyone and does it work with the factory ground strap or bypasses it all together.

Originally Posted by squirlz

It "should" help if you have a Stainless header if you are talking about the primary O2. The secondary is not needed and can be faked out. The secondary only operates if the primary is non functional. I can honestly say that it can not hurt going to the 4wire style since it will make for a better ground, but if you are using the stock header it may not help much if any, but still cant hurt.

Yep it will be a world of a difference, or none at all haha.

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2008-08-12 18:41:37

#252

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Weekend Warrior

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^Read this below

Originally Posted by DC
Plug & Play is the Bosch 4-wire O2 Universal sensor - 15727 and wiring the ground wire to the intake mani.

Your link is for the 3-wire sensor and is also a tight fit if you have the SSAC headers... (ask me how I know). Also, we have proved that the 3-wire will not have a good ground with the Stainless Steel header.

The 4-wire sensor is your best bet (plano or thumble). Using the discount code thread for RockAuto, its like $53. All Universal O2s require wiring, but you must do some wiring anyway to ground the 4-wire O2 sensor. So, NO! Its not plug & play. Its wire & play..
Instructions are easy and it will only take u about 1/2 hour to do (unless u are slow, hehe).

Update:
Either one will do: Plano or Thumble types..
Most of the new 4-wire O2 sensors are Plano. Older stock will be Thumble.
Plano sensors are actually much faster to heatup and gives a stronger signal.

^Post #152 / Page #11

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Originally Posted by SR20GTi-R

NA is a thinking man's game, alot of people dont have the stomach to play NA.

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2008-08-12 19:47:53

#253

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Nehemiah 5:19

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Originally Posted by squirlz

Damn, anyone want to buy 3 week old 3 wire sensor for like $40.00?

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2008-08-12 21:35:42

#254

Vadim

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Originally Posted by Pretty
Damn, anyone want to buy 3 week old 3 wire sensor for like $40.00?

Can you return it from where you got it from?

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2008-08-12 22:49:09

#255

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Nehemiah 5:19

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I wish.

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2008-08-13 00:58:03

#256

Vadim

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Is it a nissan one? or a Universal one?

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2008-08-13 02:42:20

#257

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Nehemiah 5:19

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Bosch 3 wire. The flat tipped one. It is on the car already so thats why it is not returnable.

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2008-08-13 03:03:06

#258

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Well if its a Nissan OEM Bosch one, then you wasted $100+ on it hehe, if its universal then it should have been less

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2008-08-13 03:11:39

#259

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Nehemiah 5:19

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Originally Posted by Vadim

Well if its a Nissan OEM Bosch one, then you wasted $100+ on it hehe, if its universal then it should have been less

It was a Bosch that my local parts place has for like $50.00. Now let me ask, what type is it? It is not a planar, it was not a thimble style. What kind is this?

It is the 3rd style. It is pictured but no description. Nissan and Autozone used to sell the thimble style for our cars, but this new style is what all the dealers had in stock. Any clue?

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2008-08-13 13:15:13

#260

Vadim

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Hmm Nice picture!

Thimble is the old style, avoid those hehe.

Planar is the style that I am using and had good results with. The third one is the one that is used in the Rear O2 sensors that are stuck in the CAT's for 98-99 cars.

Not sure about the name for it.

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