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Author Topic: SMOG issues  (Read 1542 times)

pmkroger5

  • Jr. Member
  • **
  • Location: Laguna Woods, CA
  • Posts: 5
  • 4wd Pts: 1
    • 2001 Xterra XE
SMOG issues
« on: September 17, 2021, 02:48:36 PM »
My 2001 Xterra (313K) failed smog in CA for the first time because O2 sensor was "not ready".  I believe this is related to a combination of a new battery installation and very little driving afterwards over the last 12 months (< 1800 mi).  The test station suggested that I drive as much as possible before they retest, and I've been driving at least 1 hour every day both fwy and in town.   I have an OBDII scanner, but when I scan the emission test readiness codes they all come up as "N/A" (not applicable).  I don't know if this is a problem with the scanner or if these codes simply aren't available on 2001 Xterra's.  Has anyone here been able to see the emission readiness codes on a 2001 Xterra with any kind of scanner?  Thanks.
2001 Xterra XE, auto, V6. Alpine Green
331000 Miles

SuperSlideStyle

  • Hero Member
  • *****
  • Location: Fontana, CA (Inland Empire)
  • Posts: 1788
  • 4wd Pts: 19994
  • Are we ready? Not really but here we go!
    • 2013 Nissan Xterra PRO-4X
Re: SMOG issues
« Reply #1 on: January 30, 2022, 11:15:49 AM »
You'll need to upgrade your scanner to one that will show graphs & chats.
2013 Xterra Pro4X 6 spd
2022 Acura MDX SH-AWD

pmkroger5

  • Jr. Member
  • **
  • Location: Laguna Woods, CA
  • Posts: 5
  • 4wd Pts: 1
    • 2001 Xterra XE
Re: SMOG issues
« Reply #2 on: January 30, 2022, 01:03:13 PM »
Thanks for the advice.  I bought another cheap ($10) scanner from Walmart and it was able to retrieve the readiness codes.  I ended up taking my Xterra to the local Nissan dealer and they discovered a problem with my wiring harness.  After a partial replacement of the harness (~$700) my O2 sensor readiness code was OK and I completed my SMOG test.
2001 Xterra XE, auto, V6. Alpine Green
331000 Miles

 


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