Hello Bitog community, I just picked up a 2005 Ford Taurus SEL. 140,000 miles, 3L V6 vulcan engine, overall and relatively decent condition. Interior needs a really good shampoo scrub. I plan on doing a full runthrough of fluids/filters, it needs new tires. It does have two oxygen sensor codes and a cylinder misfire code however it drives pretty decent. Pictures are attached. Has anyone change the oxygen sensor is on one of these? I am wondering how tough they are to access. From what I can find online, there are four oxygen sensors in total. 



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