Air fuel upstream sensors

Tiny
MICHELEOGDEN
  • MEMBER
  • 2003 TOYOTA HIGHLANDER
  • 3.0L
  • 6 CYL
  • AUTOMATIC
  • 170,000 MILES
I know this car has two upstream oxygen sensors. Are both of them air fuel sensors? I am throwing a code for bank 2 sensor 1 and know it is a air fuel sensor. Is bank 1 sensor 1 also them same or can I use a regular oxygen sensor in there if there is no code?
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Wednesday, August 14th, 2019 AT 8:05 AM

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Tiny
BMDOUBLE
  • EXPERT
Sensors 11, 21 are the same type of sensor. Do not use any other type of sensor. Check out the diagrams (Below). Please let us know if you need anything else to get the problem fixed.
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Wednesday, August 14th, 2019 AT 1:53 PM

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