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2000 Nissan Maxima Service Engine Soon - P0138, P0139 oxyge

Tiny
ALBERTALTINO
  • MEMBER
  • 2000 NISSAN MAXIMA
  • 6 CYL
  • FWD
  • AUTOMATIC
  • 92,000 MILES
My dealer wants $900 to replace these sensors after I paid $500 for them to replace an oxygen sensor two weeks ago! I declined.

They "warned" me that I could not do it myself because the ECM MUST BE re-programmed.

1) Is that true?
2) Is that price outrageous?
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Monday, July 27th, 2009 AT 12:10 PM

1 Reply

Tiny
STEVEW84
  • MECHANIC
  • 673 POSTS
They said that it needs to be reprogrammed because there is an update for the computer that they have to do after the oygen sensors are replaced. There are updated oxygen sensors and updated calibration for your PCM for these particular codes. 900 is a lot. It would probably be better if you found someone that can do flashing. Not sure where you live, but I am sure there is someone reputable that can do it.
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Tuesday, August 4th, 2009 AT 12:05 PM

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