code P0420 help

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Sep 11, 2008 | 09:04 PM

bryanj325

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Joined: Sep 2008

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From: phoenix, az, maricopa

code P0420 help

does anyone how to test the 02 sensors on an 03 accord v6 and the code reader says bank 1 but the book says rear bank for that code ????? would be very thankfull for the help

Sep 13, 2008 | 10:22 AM

spoonfedcrx

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Joined: Oct 2005

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Re: code P0420 help (bryanj325)

thats a cat code

Sep 18, 2008 | 05:53 PM

SFlCrx

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Joined: Nov 2004

Posts: 713

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From: Delray Honda, Florida, USA

you might be able to fix it with a pcm update. but you need a hds computer to do so. cats are covered for 8/80,000 i beleive.

Sep 19, 2008 | 11:11 AM

RXPARTS

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Joined: Mar 2008

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From: PHOENIX, AZ, USA

Re: code P0420 help (bryanj325)

YUP ITS PROBABLY THE CAT!

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