O2 SENSOR

  • Tiny
  • j.denney36
  • 2003 Ford Focus
  • 4 CYL
  • FWD
  • manual
  • 86,000 miles

CHECK ENGINE light was on and went Auto Zone had it checked on dianostic and got code p0133 (heated oxygen sensor bank 1) Question, I need to know where this is located, can you help? My car is a 2003 SVT Ford Focus 4 cyl.

Monday, January 10th, 2011 AT 8:33 AM

1 Answer

  • Tiny
  • Wrenchtech
  • Expert
  • 19,584 posts

That sensor is right in the exhaust manifold at the front of the car. The heat shield will have to be removed to access it.

http://i602.photobucket.com/albums/tt106/Desi501/86101635.gif

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Monday, January 10th, 2011 AT 1:10 PM

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