My service engine light came on it was O2 sensor.

  • 2000 INFINITI I30
  • 12,700 MILES

My service engine light came on it was o2 sensor bank 1 no. 1 I had that replaced mechanic cleared code I drove 60 miles or so and it came on again same code he put on a new sensor same thing happened my question is is there a fuse associated to the sensor

Wednesday, April 10th, 2013 AT 2:00 AM

1 Reply

  • 26,853 POSTS

The mistake is diagnostic fault codes never say to replace parts. They only indicate the circuit or system that needs further diagnosis. There are a number of different fault codes associated with each oxygen sensor. Some of them get real specific with what the Engine Computer has detected. About half of the time the code is the result of a broken wire, corroded terminal in a connector, or the sensor is working properly but it just reported an unacceptable condition.

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Wednesday, April 10th, 2013 AT 2:13 AM

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