Where is bank 2 sensor 2 on 06 toyota highlander

Asked by Feb 06, 2017 at 07:51 PM about the 2006 Toyota Highlander Limited

Question type: Maintenance & Repair

I have located 3 out of 4 senors. It's the one I can't locate the one that
NEEDS CHANGING. part # is Denso 234-4168. Parts store said code was
O2 sensor B2S2. I have searched high and low for diagram but no luck.
Thanks for your help if possible.

1 Answer


It's the oxygen sensor behind the catalytic converter that's on the same side of the number 2 cylinder on your engine. Ask the parts store to pull up a diagram of your exhaust system. Then ask them which side is the number 2 cylinder located on your engine. You'll be able to find it that way. HTH. -Jim

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