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2003 Honda Accord Check Engine Light Troubleshooting P0420 Find Bank 1 H02s
2003 HONDA ACCORD
130,000 MILES
HECTORECARRASCO
MEMBER
1 POST
Check engine light troubleshooting P0420 where can i find bank 1 or bank 1 H02S ? thanks
Feb 4, 2013 at 3:00 PM
ASEMASTER6371
✓
Experienced Mechanic
52,796 POSTS
420 is not an o2 sensor, it is a failed cat converter.
it will have to be replaced
Roy
Feb 4, 2013 at 3:02 PM
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