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Q: need to replace downstream O2 sensor on 1996 Lincoln Mark VIII

Rookie cbe0621eac06868b3efe0d8d1d3611e23c60d3114864ea2ec19a68cfbd3eebab
need to pass inspection..is it hard to replace..how long does it take..do you need special tool..
(1) Answer
It is mounted after the catalytic converter on the appropriate bank. It may be a bit tough to access, and the threads may be binding or seized. Hard to say until you try. Standard tools are used.

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