were is the 02 sensor located. code po139. slow responce.
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1998 Ford Mustang, Visitor, Memphis, TN, April 11, 2010, 11:16
just dont know where its located
1994 Toyota 4Runner, 3.0L V6, Visitor, Jackson, NJ, April 11, 2010, 10:39
any special tricks that I should know about?