O2 O 2 Sensor info solder splice joint

Mike Robinson quattrofan at sbcglobal.net
Thu Dec 19 21:51:22 EST 2002

Just to add to what I said earlier.
Rod never told me about anything about the air being vented through a wire.
He simply explained there was another sensor where you had to get a
different harness and you could not adapt it to the current wiring.  I am
agreeing with Javad that it most likely isn't going through a wire.  If
anything, the ambient temp is most likely sampled from the exposed metal or
possibly one of the exposed splicing wires.  Sorry for any confusion.  There
is definitely another type of O2 sensor like the one toolphille mentioned
out there.

-Mike Robinson

On 12/19/02 9:06 PM, "Mike Robinson" <quattrofan at sbcglobal.net> wrote:

> Dave,
> He is correct!  I ordered a new O2 sensor from TPC yesterday and Rod asked
> me which one I wanted.  The price difference is only 20 bux too.  I couldn't
> believe it either when he told me you had to do that!
> -Mike Robinson
> 88 90q
> On 12/19/02 8:48 PM, "Dave K." <desmo888 at comcast.net> wrote:
>> You have got to be kidding me...
>> Dave K.
>> '90 CQ
>> ----- Original Message -----
>> From: "Suffolk GameServer LAN" <suffolk.associates at verizon.net>
>> To: <SuffolkD at aol.com>
>> Cc: <quattro at audifans.com>
>> Sent: Thursday, December 19, 2002 11:34 PM
>> Subject: FW: O2 O 2 Sensor info solder splice joint
>>> Message: 13
>>>    Date: Sat, 14 Dec 2002 17:11:58 -0800
>>>    From: "toolphile" <toolphile at hotmail.com>
>>> Subject: Re: Solder electrical connections.
>>> IF your O2 sensor is the style with the ribbed black hard plastic
>> sheathing
>>> at the SENSOR end of the harness, splicing either with either a mechanical
>>> joint or chemical joint WILL NOT WORK.
>>> ALL O2 sensors must have a way of sampling the ambient air and comparing
>> it
>>> with the air inside the exhaust manifold. For a long time, engineers
>> simply
>>> left a small opening at the top of the sensor (near where the wires come
>>> out) for sampling ambient air.
>>> The NEW O2 sensors (with the sealed sheath) no longer sample ambient air
>> at
>>> the sensor. They actually get a fresh air sample from the INSIDE of the
>> ECM.
>>> How? They actually draw a sample of fresh air from inside the ECM THROUGH
>>> the wires going to the sensor, INSIDE the insulation covering the wrapped
>>> wire strands. This sample must get through the O2 sensor connector (under
>>> the hood) without being contaminated.
>>> This is why Stabilent 22A, nor any other 'electrical connector enhancers'
>>> are to be used on these connections. Just as well, Making air tight crimp
>>> connections that allowed correct air flow would be very difficult, and a
>>> soldier connection would obviously block sampling.
>>> Unfortunately, the only workable repair FOR THESE SENSORS, is a NEW
>>> :)~
>>> toolphile
>>> ----- Original Message -----
>>> From: "Donald Gibbons" <gibbonsnc at yahoo.com>
>>> To: <VAG-COM at yahoogroups.com>

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