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Po420

(2006 Honda Pilot)
in Pottsville, PA on September 13, 2018
Hey guys I have no no damn clue how I even got here to ask a question so I'm going to use this for my my help and I'm hoping that someone there can help me I have a 2006 Honda Pilot and it is the top-of-the-line model I don't know what it is XL - L I'm not sure but it's the top of the line model with a 3.5 liter. I had a code throne to turn on the engine light and the code was not getting enough air flow so I change the air filter and reset my system. No lights came on for over a hundred and ninety-five miles, now I got a code PO 420 Bank One. Can someone please help me understand what the hell is going on and what needs to be replaced I live on a very bad fixed income... disabled you name it I got it. I just need some really good advice on what to do before I have to take it to a damn mechanic though I work on cars all my life but they get harder and harder everyday. It's throwing a code PO420 can you please tell me what oxygen sensor is needed for this code. Thnks pls help please
What seems to make the problem better or worse? N/a
How long have you had this problem? I just bought this from my cousin in New Jersey had it for a month and these problems are really a pain
Tags: n a, honda, pilot
Displaying 2 answers & 0 comments
Popular Answer
on September 13, 2018
IF upstream O2 AND downstream O2 are readings are same - cat is depleted .. It’s as simple as that!

Scan tool with live sensor data will be required for testing.
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on September 13, 2018
This means your catalytic converter is not working efficiently. This could be because of a bad CAT or a bad o2 sensor. If you want to roll the dice you could replace the rear o2 sensors but I suggest getting it inspected and diagnosed before spending any money.
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Alex
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