Thread: P1155 2001 Sienna LE
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Old 05-03-2008, 02:08 PM
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Default P1155 2001 Sienna LE
Just got another code:
P1155: Air/Fuel Sensor Heater Circuit. (Bank 2 Sensor 1).

I guess Oxygen Sensors are a wear item, and I just passed 90k miles, so I should expect it.

I already replaced the hard one near the firewall, when I got a P1135. This is the same sensor, only on the other side (bank).

Just sent an email to 1st Toyota Parts - to get the part number. If my guess is right, looks to be about $148.
Last edited by NatronsMean; 05-11-2008 at 05:07 PM.
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