Re: universal 3 wire oxygen sensor (fwd)

["Robert Myers" <rmyers@inetone.net>]

>A Bosch 3 wire sensor is a Bosch 3 wire sensor.  The generic can be had for
>$75. I'm told.  At $75., there is still plenty of profit for the reseller.
>The Audi version simply has a $45. plug on the end of the wires.

I've seen 'em for about $50.

>I'd be concerned about 2 things.  One is your ability to remove the old one.
>On my '91 200q, my expert friend had to heat the old one with a torch to
>remove it.  

The heat actually goes on the surrounding metal, not the sensor.
Differential expansion is what you're looking for here.

>He did the removal and replacement with a special socket that
>had a slotted cutout that kept the wires from being damaged.  

This socket is available for about $8 or so from your local parts place.

>When splicing
>wires, he was careful to make good splices, and pointed out that lots of
>voltage that is critical to the running of the engine went through those
>wires.  Therefore he used double heat shrink insulation, and made sure it
>was secure from vibration.

I'd recommend a good solder joint in this splice rather than just a crimp.
Good insulation is also important, as you suggest.


___
   Bob
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