OXYGEN SENSOR

  • Tiny
  • thekidinbuff
  • 1996 Buick Regal
  • 109,000 miles

One day the check engine light came on. So the next time I went past an auto place, I stopped and had them plug it in. They said it was saying it was the code, P0141. Which is the oxygen sensor, the one behind the catalyst converter. Today I jacked it up and looked at it. Everything looks find. Except were the covering for the wires meets the sensor, its warn/melted in a way. And around where the sensor is, its like wet, but not actually wet. What could be causing the wetness? The sensor is probably bad but what could possible be causing the wet area? You can see the wet area in the pictures I attached.

Saturday, June 9th, 2012 AT 10:29 PM

3 Answers

  • Tiny
  • ASEMaster6371
  • Expert
  • 25,555 posts

You have some moisture coming out of the area where the o2 adapter is welded to the pipe. Would not worry about it.

Roy

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Saturday, June 9th, 2012 AT 10:32 PM
  • Tiny
  • thekidinbuff
  • Member

Alright, do you think the Oxygen Sensor is bad though? The light is on.

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Saturday, June 9th, 2012 AT 10:39 PM
  • Tiny
  • ASEMaster6371
  • Expert
  • 25,555 posts

It needs to be confirmed. A code number never identifies a bad part just a failed system. Get someone to confirm it for you before you throw a part at it that may not repair your light. It very well may be the sensor but guesses are expensive and most of the time wrong

Roy

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Saturday, June 9th, 2012 AT 10:41 PM

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