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2001 Honda Accord check engine light P0420 code

Tiny
GENERIC_USER
  • MEMBER
  • 2001 HONDA ACCORD
  • AUTOMATIC
  • 150,000 MILES
I have a 2001 Honda Accord that has had the check engine light come on about 5 times in the past few months. First it was the temperature gauge (so I replaced it), then it was the 02 sensor (had it replaced) now I am getting a P0420 code. I am getting full maintenance done in about a week and decided to have the guy clear the code and get it fixed when I'm home. The check engine light popped back up again today. Should I be concerned or can I wait another week?
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Friday, February 27th, 2015 AT 9:23 AM

2 Replies

Tiny
HMAC300
  • MECHANIC
  • 48,601 POSTS
O420 code is either a O2 sensor, air leak or a bad converter. A pro will h ave to check the voltages to see what it is. You can wait another week if you like the check engine light will come back on so don't bother having it removed.
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Friday, February 27th, 2015 AT 9:28 AM
Tiny
GENERIC_USER
  • MEMBER
  • 2 POSTS
Awesome! So I have no reason to be concerned to dive on it for another few days? Thank you!
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Friday, February 27th, 2015 AT 9:30 AM

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