I CHANGED MY OXYGEN SENSOR UNDERNEATH MY CAR AND...

  • Tiny
  • 1obmit
  • 1996 Nissan Altima
  • 110,000 miles

I changed my oxygen sensor underneath my car and took it to get an emission test but I keeps saying not ready so it failed. I have given it some time to reset itself 2 weeks with plenty of driving and it has said this twice! I took it to get scanned and no error codes are found any suggestions?

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Friday, November 9th, 2012 AT 3:05 AM

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  • Tiny
  • mhpautos
  • Expert
  • 30,561 posts

I feel that there may be a tune problem that is affecting the sensor or a wiring fault from the sensor to the ECU I would be getting these checked first, )2 sensors are just that a sensor, they read values in the exhaust, they do not have to be re set.

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Friday, November 9th, 2012 AT 3:09 AM

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