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I have ready many threads on this. I’m just at a loss currently. I replaced the o2 sensor. I could literally only find one. Assuming it was the correct one. Cleared the codes( basic computer) They returned. Took negative off battery. No change. I’m going to see if the heater fuse is blown next.
which O2 sensor did you replace? modern cars have at least 2 sensors - sensor 1 being before the cat and sensor 2 being after the cat. Some may have 3 (third after a second cat). Then the "bank" refers to a side of a V engine or which section of a split exhaust 6 (ie 1/2/3 vs 4/5/6). You are correct to check fuses as well was wiring and sockets before dropping in a new sensor
which O2 sensor did you replace? modern cars have at least 2 sensors - sensor 1 being before the cat and sensor 2 being after the cat. Some may have 3 (third after a second cat). Then the "bank" refers to a side of a V engine or which section of a split exhaust 6 (ie 1/2/3 vs 4/5/6). You are correct to check fuses as well was wiring and sockets before dropping in a new sensor
I replaced the sensor in the picture. Couldn’t find one after that so I assumed it was sensor 2. Will take another look Wednesday.
2020 S60 error code, O2 sensor etc
