O2 sensor question

[nacelp]

Are you sure you need to add one?.
You do realize using a switching O2 sensor isn't the most accurate way to do
things.  They degrade with age, and output varies with EGT.
Bruce


> I am dropping a new motor in my '91 240SX this weekend and I am looking to
> install a second O2 sensor to drive my A/F meter.
>
> Can some one tell me the pin out for a 3-wire Bosch sensor?
>
> Thanks!
>
> Scott Bowen
> Bastard Motorsports Engineering
> Houston, TX
>
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