P1135 2001 Toyota Camry -

Question

I have chek the ecm. Voltage 14 v i replace a/f sensor bank 1 sen.1 but the light turn back few minutes the car is runig

Answer 1

here is what to check on the ECM, if you did that good, you should check the connector that the oxygen sensor connects to,

did you use a factory oxygen sensors? Denso 234-9010 or Bosch 13733 ?