The code P0134 came up when i checked why my emissions light was coming on. on 2003 Honda Accord

I can't figure out which o2 sensor i need to replace. I need to know if i need to replace upstream left or right or downstream rear or left. please help me

by in Sewell, NJ on December 11, 2012
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1 answer
ANSWER by , December 12, 2012
Assuming a V6 engine , it's bank1 , sensor1.