2004 Jeep Liberty O2 SENSOR

2004 JEEP LIBERTY
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BOBTHEJEEP
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Engine Mechanical problem
2004 Jeep Liberty 6 cyl Four Wheel Drive Automatic 35000K miles

I have replaced O2 Sensor. Second sensor, second bank about 2 months ago. Engine light is coming on again ... Scanner says it is the same sensor. What else could be causing this problem?
Sep 9, 2009 at 11:59 AM
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JACOBANDNICKOLAS
  • ✓ASE Certified Mechanic
  • 110,194 POSTS
  • ASE Certified Mechanic
Have you checked to make sure the catylatic converter isn't plugging?
Sep 14, 2009 at 8:14 AM
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