location of oxygen sensor called bank 1 sensor 1 on 2004 Acura TL

Where is the oxygen sensor identified as bank 1 sensor 1 located? I need to replace it, but don't know it's location.

by in Albion, PA on August 13, 2009
7 answers 1 comment
ANSWER by on August 13, 2009
Bank 1 means where number 1 cylinder is. sensor 1 is the O2 sensor upstream from the cat not after the cat.
ANSWER by on May 17, 2010
where is the oxygen sensor gmc yukon xl part #13779
ANSWER by on July 18, 2010
drivers side
ANSWER by on July 20, 2010
where is oxygen sensor ideintified bank 1 sensor
ANSWER by on September 26, 2010
Where is the oxygen sensor identified as bank 1 sensor 1 located? I need to replace it, but don't know it's location. 1999 oldsmobile intrique 3.8 liter engine
COMMENT by on September 26, 2010
CONTACT ME AT autoknowhow@gmail.com
ANSWER by on November 13, 2010
where is it loacated on a 2004 grandam 6 c
ANSWER by on December 14, 2012
the b1s1 is located near the firewall