2002 Ford Expedition O2 sensor?

2002 FORD EXPEDITION
158,000 MILES • 4.6L • V8 • RWD • AUTOMATIC
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SNOSAINT
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Code shows bank 2 sensor 2.
I am not certain which O2 sensor that is going to be. I know bank 2 is on the drivers side. Upstream? Downstream?
How many are there on this vehicle 3? 4?
Mar 15, 2015 at 8:24 AM
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HMAC300
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sensor 2 is the one behind the converter. there are 4 O2 sensors.
Mar 15, 2015 at 9:47 AM