can the o2 sensor be faulty and not the catalytic converter

Asked by GuruD9DYZ Aug 04, 2017 at 09:37 AM about the 2010 Honda Accord EX-L

Question type: Maintenance & Repair

5 Answers

GuruD9DYZ answered 7 years ago

The code is PO420. I bought some Cataclean to try. I am trading the car within the next 500 miles so I need the light off when I go to the dealer.

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Guru94C5K answered 7 years ago

okay if you are trading it in just disconnect the battery to reset it the day you do if the light comes back on the sensor is bad

2 people found this helpful.
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