o2 sensors light on

2004 ROVER RANGE ROVER
30,867 MILES • V8 • AWD • AUTOMATIC
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DAVE H
  • ✓AUTOMOTIVE REPAIR CONTRIBUTOR
  • 13,384 POSTS
I have a 2004 range rover built with bmw engine 03-04 are the only year. I got a engine check soon light and it read p1173. Which is the pre-car 02 sensor. Bank 2. I changed it but still went on. Do I need to change the post-cat o2 sensors as well. Find out on friday what the computer will read.
Jan 5, 2010 at 4:14 AM
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DAVE H
  • AUTOMOTIVE REPAIR CONTRIBUTOR
  • 13,384 POSTS
wait to discover the fault code before replacing any more parts
Jan 5, 2010 at 4:14 AM