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?
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