replaced oxygen sensor on passanger side should I replace sensor on driverside? on 2001 Nissan Frontier

when I relaced passenger side sensor check engine lite went out later same day lite came back on reading p0134 obd2 code

by in Bakersfield, CA on August 12, 2012
1 answer
ANSWER by , August 12, 2012
you should have it scan tested to see which sensor isnt working