Where is the heated oxygen sensor bank 1 sensor 1 located on a 2005 Hyundai Santa Fe?
the 02 sensors are located in the exhaust system. bank one
stands for the same side as the number 1 cylinder. sensor 1 is the
first sensor in the bank, (closest to the engine or upstream) Bank
1, Sensor 1 is on the right side of the engine (fire wall side)
before the cat.