1. Attachments are working again! Check out this thread for more details and to report any other bugs.

Oxygen Sensor

Discussion in 'Gen 2 Prius Care, Maintenance and Troubleshooting' started by BNecessary, Jan 1, 2019.

  1. BNecessary

    BNecessary New Member

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    Where are the oxygen sensors located at on a 07 Prius base model. Are they easy to replace or would you take them to a shop to get them to change them?
     
    #1 BNecessary, Jan 1, 2019
  2. SFO

    SFO Senior Member

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    Welcome to PriusChat!!

    The search feature has been fixed and is currently working (again), you shouldn't have any problems finding pictures and various methods for extraction.

    The upper A/F sensor (before the cat) is somewhat buried and requires a fairly thin walled socket for removal, the lower oxygen sensor (after the cat) is easily accessed and one can use a standard socket for removal.

    How many miles on this prius?
     
    #2 SFO, Jan 1, 2019
    Raytheeagle likes this.
  3. JC91006

    JC91006 Senior Member

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    Are you getting a code for a bad catalytic converter? P0420?
     
    #3 JC91006, Jan 1, 2019
  4. BNecessary

    BNecessary New Member

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    Code 0171 and after the code it says O2 Max Volt
     
    #4 BNecessary, Jan 1, 2019
  5. BNecessary

    BNecessary New Member

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    almost 209000 miles on the Prius
     
    #5 BNecessary, Jan 1, 2019
  6. SFO

    SFO Senior Member

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    #6 SFO, Jan 1, 2019
    Raytheeagle likes this.
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