Best Answer
  1. Use scan tool or
  2. Get Autozone to pull codes
  3. 2nd sensor is under axle near catalytic converter
  4. 1st sensor is forward of that
  5. takes special socket tool to remove sensor - or a 7/8th wrench
  6. check resistance of sensor

(link no longer valid since Autozone redesigned their website) 23d/80/1b/ca/83/0900823d801bca83.jsp#hd1-1-3

NOTE: Autozone now requires free registration to access the repair guides. More than worth the extra effort for these photo/illustrated instructions.

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โˆ™ 2015-07-15 20:53:31
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Q: How do you find test and replace the O2 sensors for a 1999 Ford Windstar SEL?
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