I need to know where b1-s1 is located.(fwd.) or (aft)?
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2001 Toyota Camry
Question: I replaced the upstream o2 sensor but the p1135 code did not clear.
Answer #1CHRIS N from Royal Palm Toyota, September 26, 2011, 03:44Technician
IF IS IS A V6 BANK 1 IS LOCATED NEXT TO FIREWALL OR RIGHT SIDE SENSOR ONE IS BEFORE CAT CODE MAY NOT CLEAR ON ITS OWN MAY HAVE TO DISCONNECT BATTERY TO RESET MEMORY OR CLEAR CODE FROM SCANNER IF IS IS A 4CYL IT IS THE ONE RIGHT IN FRONT