which o2 sensor is sensor 1 bank 1? is it the right(passenger) or left (driver)

What trouble code did you pull?

the code was p0135

P0135 = DTC 0901

0901
Diagnostic Trouble Code 0901 points to a problem with the Front Heated Oxygen Sensor, Right Bank. The right cylinder bank is also called the rear bank. It is cylinders 1,3,5.


FYI: http://www.courtesyparts.com/A32_O2-sensors.html

BTW -all the info I provided you is in the stickies.

It's the one on the Y-pipe closest to the firewall.

i know the the info is on the stickies, but i had been seeing some things that were a little unclear, so i just wanted to clarify. thank you very much!

You are welcome.