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I'm a independent mobile mechanic in the greater los angelos area and I was called out to replace the output shaft speed sensor on a 01 naviagtor 5.4 L 2wd. First thing I did was pull the code cause check engine light was on. It read me Po720, which is, output shaft sensor malfunction. Odometer wasn't working either. So I replaced it. I then cleared code and drove it. Light never came back on but still no odometer function and it threw a pending Po720. Any thoughts?!