O2 sensors...4 wire or 3 wire uni's?

Spinkx79 · Post by **Spinkx79** » December 7th, 2005, 5:36 pm

I have had bad O2's for a long time and finally ordered some. I wasnt sure if i needed 4 wire, 3 wires or both (universals) so i bought 4 of each.

They came in today.

Anyone know off the top of their head which would be better? I believe the 4th wire is only a second heated wire.

My car is OBDII (96 GS)

Thanks

jschrauwen · Post by **jschrauwen** » December 7th, 2005, 6:45 pm

You got 4 of them Eric? Sh*t, I've only got 2 in mine (4 wire type). Can't really say if the OBD II changed over to a different config. I remember seeing a thread about some members integrating the universal units to our cars including the correct colour code assignments. I thought you were going to go Wideband?
Have you started to assemble the "Super DE"?

hgallegos915 · Post by **hgallegos915** » December 7th, 2005, 7:18 pm

arent those extra wires for the oxygen sensor heater for cold starts? i was reading an article somewhere about those wires..forgot where

Nd4SpdSe · Post by **Nd4SpdSe** » December 7th, 2005, 8:59 pm

hgallegos915 wrote:arent those extra wires for the oxygen sensor heater for cold starts? i was reading an article somewhere about those wires..forgot where

Basically ya, to get them upto temperature faster to give the ECU a proper reading. Mine were 4 wires, and so were my stock ones...i spliced the wires from the new 02 sensors and cut off and used the connectors from the stock sensors do they'll just clip right in

Chiggles · Post by **Chiggles** » December 11th, 2005, 11:13 pm

As I understand it, 4-wire type for the GS and 3-wire type for the RS.

FlyVFR · Post by **FlyVFR** » December 12th, 2005, 11:04 pm

Nd4SpdSe wrote:...i spliced the wires from the new 02 sensors and cut off and used the connectors from the stock sensors do they'll just clip right in

Good

Just match up the wire colors or is there another trick to it? Where is a good place to buy? Are the Bosh units any good?

jschrauwen · Post by **jschrauwen** » December 13th, 2005, 10:27 am

FlyVFR wrote:
Nd4SpdSe wrote:...i spliced the wires from the new 02 sensors and cut off and used the connectors from the stock sensors do they'll just clip right in
Good Just match up the wire colors or is there another trick to it? Where is a good place to buy? Are the Bosh units any good?

Being from the Us, this might be the best/least expensive source.
Nopi Online - http://www.nopionline.com/nopistore/dsp ... N=35613893

973+0269 is the universal replacement for us. A search will reveal that I posted a number part numbers from Nopi Online wrt interchangability and compatibility with the MX6/626 O2's.
I wish we could get that sort of pricing up here. Usually 2 to 3 times more expensive before exchange rate and after all of the middleman's hands get a piece of it.

$42.87usd is pretty damn cheap if you ask me. Good luck.
*John*
Is it a WOXOF day out east? ....LOL

Spinkx79 · Post by **Spinkx79** » December 13th, 2005, 1:55 pm

I bought "borg-warner" 4 of each kind and paid only $20 per.

jschrauwen · Post by **jschrauwen** » December 13th, 2005, 2:24 pm

Spinkx79 wrote:I bought "borg-warner" 4 of each kind and paid only $20 per.

Eric, does your OBD II utilize the 3 wire and if so I'll buy the 4 wire ones off you. I think the 3 wire ones can also be rigged to work on the 4 wire applications (OBD I) also IIRC.

FlyVFR · Post by **FlyVFR** » December 13th, 2005, 7:47 pm

Thanks John. I will check out the NOPI products.

It's actually VFR weather. Baro 30.33 at 50ft, 18.5 F, 49% humidity and unlimited visibility here in CT .....LOL

jschrauwen · Post by **jschrauwen** » December 13th, 2005, 10:06 pm

FlyVFR wrote:Thanks John. I will check out the NOPI products.

It's actually VFR weather. Baro 30.33 at 50ft, 18.5 F, 49% humidity and unlimited visibility here in CT .....LOL

CAVOK

FlyVFR · Post by **FlyVFR** » December 13th, 2005, 10:32 pm

Roger...Cloud and Visibility OK.

Nd4SpdSe · Post by **Nd4SpdSe** » December 14th, 2005, 10:06 am

FlyVFR wrote:
Nd4SpdSe wrote:...i spliced the wires from the new 02 sensors and cut off and used the connectors from the stock sensors do they'll just clip right in
Good Just match up the wire colors or is there another trick to it? Where is a good place to buy? Are the Bosh units any good?

Atlthough i did them in spring, I don't remember the wiring colors, but I believe there was a diagram in the box to way which ones connects to which color...

Spinkx79 · Post by **Spinkx79** » December 14th, 2005, 12:14 pm

jschrauwen wrote: Eric, does your OBD II utilize the 3 wire and if so I'll buy the 4 wire ones off you.[/color]

John,

Why would you want the 4 wire ones, you dont drive your car in the winter so the second heated wire would be of no benefit to you...IIRC

I havent had a chance to check which ones i need or will be using.

FlyVFR · Post by **FlyVFR** » December 14th, 2005, 6:09 pm

Thanks Nd4SpdSe. My first time changing the sensors after 186,000 mies

I'm looking forward to better gas mileage.