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
Get Your Car Fixed at a RepairPal Certified Shop.
We certify shops based on expertise, quality work, and verified customer reviews
1 answer
ANSWER by , August 12, 2012
you should have it scan tested to see which sensor isnt working