where is the bank 1 s2 O2 sensor located on 2002 Mitsubishi Montero Sport

service enngine light is on and read out indicates O2 senor is bad. Thanks

by in Anchorage, AK on February 12, 2012
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1 answer
ANSWER by , February 13, 2012
bank one (passenger side), sensor 2 is the one behind the catylic converter.