Having problems with your Toyota Avalon ?

Where exactly is the bank one sensor one located on my 2003 Toyota Avalon? I know it is near the firewall but I can't quite locate it. Once I get it out, how do I test it to make sure it is the issue without spending over $100 for a new sensor? Thanks JM

Posted / edited by AnonymousUser on : 18-06-2018

Answers :

It's screwed into the exhaust manifold. A test is pasted below. Please let me know if you have questions, and thanks for using FixYa.
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\015\012jturcotte_1119.gif\015\012
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  1. \015\012Disconnect the oxygen sensor connector.
    \015\012 \015\012
  2. Using an ohmmeter, measure the resistance between the terminals +B and HT. Resistance specification: 11 - 16 ohms at 20\302\260C (68\302\260F). \015\012 \015\012
  3. If the resistance is not as specified, replace the sensor. \015\012 \015\012
  4. Reconnect the oxygen sensor connector.

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\015\012jturcotte_1120.gif\015\012
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jturcotte_308.jpg
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