Question about 1998 Toyota Avalon

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1998 Avalon Oxegen Sensor

The O2 sensor is out, the test shows "O2 sensor Heater Circuit Malf (Bank 1 Sensor 1)"

My question is where is this particular sensor, I changed the one in the fornt center of the motor but that was not the correct one.

Thanks.

Don

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Bank 1 Sensor 1 is the sensor next to the head and in front of the cat converter for the head nearest the firewall. Not after the cat.

See the diagram on page one of:
http://www.autoshop101.com/forms/h37.pdf

Posted on Jul 31, 2008

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Sensor Heater Circuit. (Bank 1 Sensor 2)


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