Location of bank 1 02 sensor

1999 FORD TAURUS
86,303 MILES • 3.0L • 6 CYL • FWD • AUTOMATIC
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RHYMEL JOERY ESCORIAL
  • MEMBER
  • 1 POST
Check engine light on , code p1131.
Jun 29, 2016 at 6:26 PM
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JACOBANDNICKOLAS
  • CERTIFIED EXPERT
  • 110,175 POSTS
Bank 1 is the one closest to the front of the vehicle. See attached.
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Jun 29, 2016 at 7:53 PM