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Pulled Engine Codes,Know What is it, Need help Fixing

Discussion in 'General Explorations!!' started by off-road97Xplor, January 1, 2005.

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    1. off-road97Xplor

      off-road97Xplor Active Member

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      City, State:
      moscow,PA
      Year, Model & Trim Level:
      1997 Explorer XLT
      Hi, my check engine light has been on for awhile and I pulled the code like 2 minutes. Came up with " O2 Sensor Circuit Slow Response" ( Bank 2 Sensor 1)
      Where is this sensor locatated and is it hard to fix? I dont think Oxy Sensors would cause any long term harm.
      Thanx,
      97Xplor
       
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    3. off-road97Xplor

      off-road97Xplor Active Member

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      :Bump: Someone has to know....
       
    4. Eneurb

      Eneurb Active Member

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      It's the oxygen sensor on the left side closest to the exhaust manifold.
       
    5. Glacier991

      Glacier991 EF Tranny Guru Moderator Emeritus

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      This code IS usually caused a dying O2 sensor... the rapidity with which it "crosses over" the .445 volt "ideal" does not happen as rapidly as it should during a cycle test (not the right name, but you get the idea, somewhere in a drive cycle the computer actually varies the fuel mixture and watches what the 02 sensor does.).
       

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