engine code p0420

Reply Subscribe

Thread Tools

Search this Thread

Jan 20, 2008 | 05:09 PM

shibster

Thread Starter

Joined: Jan 2008

Posts: 8

Likes: 0

From:

engine code p0420

What does it mean when p0420 failure bank 1 refer to? my engine light is on. Is that an 02 censor

Jan 20, 2008 | 05:15 PM

kenihemi

All Star

Joined: May 2005

Posts: 946

Likes: 1

From:

RE: engine code p0420

Yup its the o2 sensor in front of the cat.

Jan 20, 2008 | 05:19 PM

CarGuyOhio

Admin formally known as 94rt10ohio

Joined: Apr 2005

Posts: 9,025

Likes: 3

From: Curtice, OH

RE: engine code p0420

You can also use the post at the very top, in there is a Do It Yourself link which will show you many things, one of which is how to obtain and what codes are.

Jan 20, 2008 | 10:02 PM

shibster

Thread Starter

Joined: Jan 2008

Posts: 8

Likes: 0

From:

RE: engine code p0420

thanks for your help guys. By the way will that effect anything on the truck if i dont fix it right away?

Reply Subscribe