THE CEL CAME ON AND THE CODE WAS P0140 BANK 1 ...

  • Tiny
  • Anonymous
  • 2000 Chrysler Concorde
  • 132,000 miles

The CEL came on and the code was P0140 bank 1 sensor 2 no activity detected. I replaced the o2 sensor behind the catalytic converter on the drivers side and the light came back on with the same code so I replaced the o2 sensor again and the light came back on. (Same code). I also checked the o2 fuse.

Sunday, January 6th, 2013 AT 1:48 AM

1 Answer

  • Tiny
  • Jacobandnickolas
  • Expert
  • 68,287 posts

Check to make sure the wiring to the sensor is okay. It is common for it to be damaged from heat. Make sure it is getting a good connection.

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Sunday, January 6th, 2013 AT 2:01 AM

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