A system check showed that the sensors are plugged up.
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2004 Ford Freestar Question: How do I find the exhaust system oxygen sensors? A system check-plugged sensors.
Answer #1csubak30 February 22, 2012, 10:36Master
I guess you mean check engine codes. Here's the diagram http://www.justanswer.com/uploads/wmarti7/2009-06-30_0234...