On my wife's 90 900, the O2 sensor is screwed into the headpipe. Probably
best seen from beneath the car. Those can be very difficult to unscrew from
the pipe because of accumulated rest. You'll probably need to rethread the
hole.
"Bob from Boston" <rgf7277nospamo.com> wrote in message
news:1190297852.777676.47840nospam2000hsg.googlegroups.com...
> Can anyone point me in the right direction to find the 02 sensor on my
> 87 900 turbo Conv.? I must be blind because the manual tells me it's
> right in front of me when I open the hood. Is it under something I
> have to move first?
> Thanks to all that reply.
>