CHECK ENGINE LIGHT TROUBLESHOOTING P0420 WHERE ...

  • Tiny
  • hectorecarrasco
  • 2003 Honda Accord
  • 130,000 miles

Check engine light troubleshooting P0420 where can I find bank 1 or bank 1 H02S? Thanks

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Monday, February 4th, 2013 AT 11:00 PM

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  • Tiny
  • ASEMaster6371
  • Expert
  • 25,556 posts

420 is not an o2 sensor, it is a failed cat converter.

It will have to be replaced

Roy

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Monday, February 4th, 2013 AT 11:02 PM

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