How to change bank1 sensor on 1998 Lincoln Navigator

Where is bank1 and sensor

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3 answers
oxygen sensor 1 located close to your engine
There are up stream and down stream sensors for each bank located in the exhaust system mostly in pipe, but can be in a manifold or converter in/outlet. Bank 1 is normally same bank as cylinder 1. Cylinder one is normally the first cylinder on the side with the cylinder head that sits farthest forward. On most Ford V8s that would be the right of the passenger side. For any service needs Please call Michael or Tammy at 757-456-0722, Thanks