2004 Ford Freestar Q&A

2004 Ford Freestar Question: How do I find the exhaust system oxygen sensors? A system check-plugged sensors.

A system check showed that the sensors are plugged up. -
Answer 1
I guess you mean check engine codes. Here's the diagram http://www.justanswer.com/uploads/wmarti7/2009-06-30_023447_04_freestar.gif -