oxygen sensor

2004 KIA OPTIMA
135,000 MILES • 4 CYL • FWD • AUTOMATIC
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SLATEN86
  • MEMBER
  • 1 POST
where are the upper and lower oxygen sensors located on my car
Aug 28, 2010 at 12:36 PM
Repair Safety Notice: This information is for general instructional purposes only. Vehicle repair can be dangerous. Verify all information, follow manufacturer service procedures, use proper tools and safety equipment, and consult a qualified repair shop when needed.
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RASMATAZ
  • AUTOMOTIVE REPAIR CONTRIBUTOR
  • 75,992 POSTS
Hello,

Here is a guide to help you step by step with instructions in the diagrams below to show you how on your car.

https://www.2carpros.com/articles/how-to-replace-an-oxygen-sensor

Check out the diagrams (Below). Please let us know if you need anything else to get the problem fixed.
Aug 28, 2010 at 12:47 PM
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