p0420 catalyst efficiency below threshold(bank 1)

HONDA ODYSSEY
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JUAREZLEO
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I have a 2000 Honda Odyssey EX 124000 miles with automatic transmission. I am assuming my problem is with O2 sensor on Bank 1, my question is, where is bank 1 located?
Aug 21, 2007 at 10:03 PM
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RASMATAZ
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[quote:5242bbe4b4="juarezleo"]I have a 2000 Honda Odyssey EX 124000 miles with automatic transmission. I am assuming my problem is with O2 sensor on Bank 1, my question is, where is bank 1 located?[/quote:5242bbe4b4]

It depends how many cylinders you have.
Aug 23, 2007 at 5:49 PM