FOUND ERROR CODE P0430, HOW MANY O2 SENSORS ARE INSTALLED ON THIS AND WHERE IS HO2S SENSOR?

  • Tiny
  • ejetboy
  • 2007 Cadillac CTS
  • 75,000 miles

Check engine light on steady, seems to be running fine have noticed slight change in fuel economy, this just started 2 days ago but have not had a chance to look into it deeper

Thursday, March 1st, 2012 AT 3:52 AM

1 Answer

  • Tiny
  • Jacobandnickolas
  • Expert
  • 68,287 posts

There are 4 all on the exhaust before the converter

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Thursday, March 1st, 2012 AT 4:39 AM

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