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Replaced 02 sensor(Bank1 sensor1) and CMP

Tiny
MACKBOLAN357
  • MEMBER
  • 2005 KIA OPTIMA
  • 2.7L
  • 6 CYL
  • 2WD
  • AUTOMATIC
  • 140,000 MILES
Replaced both items and I still have the same codes showing up on the CEL. Went back to Autozone to have the codes cleared they said it could take a few days for the system to relearn the parameters of new sensors. Is this true? I though if they ERASED the codes and the items were replaced the CEL would not appear again.
Confused
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Tuesday, August 18th, 2015 AT 1:13 PM

1 Reply

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,747 POSTS
Some sensors and repairs do require a relearn time period. Keep in mind, the part itself may not have been the problem. If the light doesn't go out on its own after a day or two of driving, chances are there is a different problem.
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Tuesday, August 18th, 2015 AT 8:39 PM

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