I was wondering if anyone would happen to be able to post the exact location of the driver side sensor. I have a general idea on where it would be, but i'd just like a confirmation. From the Haynes manual it looks like it's near the main flange off the exhaust manifold. So if anyone has a 1999 that's in the process or has it accessible for photos that would be awesome.

 

This image is for 96 & 97 only. Oxygen sensor placement on your 99 is the same, except it does not have a B1S2 sensor.

 

Nice! Thanks a bunch. Thankfully the sensor I have that's going is B1S3.