P0420

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Oct 30, 2009 | 11:31 AM

06BlckMax

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Senior Member

Joined: Mar 2009

Posts: 308

From: Bucks

P0420

Does anyone think that if you upgrade your 02 sensors would fix the P0420 code?

Last edited by 06BlckMax; Oct 30, 2009 at 11:51 AM.

Oct 30, 2009 | 12:41 PM

VigilanteMax

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Joined: Jun 2006

Posts: 1,442

From: ATL

Quote:

Originally Posted by 06BlckMax

Does anyone think that if you upgrade your 02 sensors would fix the P0420 code?

if you think you can upgrade an o2 sensor... Get it replaced and if its the one in your manifold...have fun.

Oct 30, 2009 | 04:59 PM

Talon05

Junior Member

Joined: Sep 2005

Posts: 92

From: St Petersburg,FL

Hey I had this code and they told me that I had three bad O2 sensors. Got them replaced today. So I hope this does it.

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