error P0420 on 2003 vibe

1.8-liter VVTL-i (2ZZ-GE) and VVT-i (1ZZ-FE) engine, transmission, exhaust, intake, and performance tuning discussions
Post Reply
dessys
Posts: 1
Joined: Sat Mar 30, 2013 3:37 pm

error P0420 on 2003 vibe

Post by dessys »

i have my CEL on and the error code is P0420, which reports the catalytic converter below efficiency. I have replaced my o2 sensor but the light is still on. pls anyone with solution?
User avatar
joatmon
Posts: 10168
Joined: Fri Mar 21, 2003 5:19 am
Location: Room 101

Re: error P0420 on 2003 vibe

Post by joatmon »

welcome to genvibe

How many miles on the Vibe?

Unfortunately, my vote is for needing to replace the catalytic converter
Image
Salsa Guy
Posts: 1775
Joined: Thu Oct 07, 2010 10:46 pm
Location: Greater Tulsa Area

Re: error P0420 on 2003 vibe

Post by Salsa Guy »

Yep time for a new CAT. Or at least try a defouler.
05 Matrix XR 4WD and 03 Vibe GT
"If you want Government to solve your problems, then you are the problem!" BMSR
Trix MODS: SRI w/ AEM filter, Vibrant/Magnaflow Cat-back, Alutec Lightweight Crank Pulley
GT MODS: Cosmo SRI, DRL, Auto Stop
Post Reply