After replacing the catalytic converter twice, the same message appears, why?

Tiny
HAYLEYK77
  • MEMBER
  • 2012 HONDA ODYSSEY
  • V6
  • 2WD
  • AUTOMATIC
  • 107,250 MILES
I've had to replace my catalytic converter twice and now it is throwing the same message. Why should I have to continue to replace catalytic converter?
Friday, March 3rd, 2023 AT 6:56 AM

1 Reply

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 108,192 POSTS
Hi,

You shouldn't need to replace it on a regular basis. Something is causing a problem. Can you let me know what message you are getting? Are you getting diagnostic trouble codes such as a P0420? Have you checked fuel pressure to make sure excessive fuel is entering the exhaust and damaging the converter? How is the vehicle running?

Let me know as much as you can. Also, if you have scanned the computer and have codes, let me know what they are.

Take care,

Joe
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Friday, March 3rd, 2023 AT 9:21 PM

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