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I have a 2002 Buick Park Avenue and need to replace the bank 1 oxygen sensor. Can you tell me where to find and replace it? Any tips?

Submitted by Helen Horn Wed 02/09/2011
Submitted by Helen Horn on Wed, 02/09/2011 - 21:04
Groups:

bank one is the cylinder at

Submitted by mws919 on Thu, 02/10/2011 - 06:55.

bank one is the cylinder at the rear of the engin by the fire wall.
sensor one is in the exhaust manifold and sensor 2 is the the exhaust pipe behind the converter.
so if the code is sensor 1 bank one 1, it's the one in the rear manifoild.
just what code is it setting?

Are there any other

Submitted by bfree on Thu, 02/10/2011 - 09:10.

Are there any other codes?

also, it's a good idea to buy OEM parts. some of the aftermarket O2 sensors aren't very good.

Since you've replace the O2,

Submitted by bfree on Mon, 02/21/2011 - 09:29.

Since you've replace the O2, did that turn off the "check enging light?"

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