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 : 19-03-2018

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.
  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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