O2 Sensor Splicing

DAK dak at rochester.rr.com
Thu Jan 2 13:47:05 EST 2003

I had soldered the wires on my '875KTQ and I don't think flexing was an
issue. They give so much wire, that if you place the "joint" far away
from the sensor, it ends up being zip tied to the side of the engine
bay. Crimping is supposed to form a better mechanical connection. Some
crimp connectors also contain a water seal, so you can shrink it after
the crimp and get a really solid connection. I just did a traditional
shrink wrap on mine.


On 1/2/2003 1:34 PM, Kneale Brownson wrote:

> At 09:19 AM 01/02/2003 -0800, Derek Pulvino wrote:
>> I remember a while ago people where talking about the prefered method of
>> attaching a universal o2 sensor was via splicing, not soldering.  Does
>> anybody remember this, and remeber also why this was the case.
>> I remembered something about conductivity being alterd by solder, and
>> also
>> something about the o2 possibly using air drawn from up the wire as a
>> reference in the calculations.
>> Anybody have any ideas or recollections on this?
> The "sucking through wire" report was bogus, I believe.  The problem with
> soldering some of the O2 wires is that they are made from materials that
> don't solder well?????
> Keep the connector off your old O2 sensor wires, crimp leads from it onto
> leads to connector from a car that uses a generic sensor.
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