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2000 Nissan Maxima Computer Codes

Tiny
DALEDAWN
  • MEMBER
  • 2000 NISSAN MAXIMA
  • 6 CYL
  • 2WD
  • AUTOMATIC
  • 172,000 MILES
I have a light on for check engine soon and a code of PO 139 02 Signal slow Bank 1.

I know this is one of the sensors but don't know which one. Is it a critical problem?

Thanks,
Libby
Monday, March 24th, 2008 AT 12:07 PM

1 Reply

Tiny
RACI47
  • MEMBER
  • 85 POSTS
Call auto parts store and have them look up if they cant tell you which sensor it is call nissan because info is free and they will be able to tell you what the code goes to if they say oxygen sensor your car will be fine but your gas mileage will not.
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Tuesday, April 8th, 2008 AT 11:43 PM

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