check engine light on

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Jan 10, 2006 | 07:38 PM

topsecrettl

Thread Starter

8th Gear

Joined: Aug 2005

Posts: 8

Likes: 0

check engine light on

what up guy's my engine light came on i got code 0420 now i will like to know is it the cat or the o2 sensor please let me know a.s.a.p thank's

Jan 14, 2006 | 04:57 AM

chelo3218

Cruisin'

Joined: Oct 2004

Posts: 22

Likes: 0

From: Virginia Beach, VA

change out your o2 sensors first. the light should go off..............if it comes back,,,,,,change your cat. convert.......................you should be good to go if that is the problem.

Jan 14, 2006 | 08:45 AM

phipark

Not Asian

Joined: Jul 2003

Posts: 13,409

Likes: 1

From: St. Louis

Quote:

Originally Posted by chelo3218

change out your o2 sensors first. the light should go off..............if it comes back,,,,,,change your cat. convert.......................you should be good to go if that is the problem.

fix cheapest first.