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I have a question about a downstream O2 sensor. The person before me extended the wires on the oxygen sensor. I think they wired it wrong. I am getting a P0141 Code for oxygen sensor heater. The problem I see is that the color of the wires do not match. I have a black wire , grey wire, and 2 white wires. The way it is wired it shows on ohm meter it should be working but it is not. Is there a way to figure out which wires go where. They have them put together matching the colors. How would I be able to tell which wire is on the O2 is not correct. Believe that the signal,wire is correct because Ecu kicked light on. Ohm meter showing 4.3 ohms when I test the 2 white wires. Didn’t want to replace the O2 if not bad just wired wrong. Any ideas? Honda Civic dx 96 d16y7
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I have not reset pcm or Ecu. I have no codes, nothing as pending either. Do I need to reset since I put new sat on?
The long term is 0. Rechecked when I got home from work and short term fluctuates between 0 and – 5.5
These numbers look good.I have not reset pcm or Ecu. I have no codes, nothing as pending either. Do I need to reset since I put new sat on?
The reset will also clear any learned fuel mapping, but considering the total fuel trim is ~ + / – 5 this is good.
It may help with the drive cycle.
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