2017 Audi S3: P0420 Code, Cat Converter? - Dealer Wants $2k Code Défaut Convertisseur Alytique Youtube

If the rear o2 sensor is matching the front o2 sensor, then that means the catalytic converter is not operating efficiently and will cause a p0420 code depending on the operating. The gc8 is the original impreza wrx chassis — sold in japan from november 1992 to august 2000, in sedan (gc), wagon (gf), and (from 1998) widebody coupe (gc8e)

My 2012 audi s5 v8 has a faulty catalytic converter Breaking news from the worlds of technology and entertainment, and expert reviews of the latest consumer tech products. Tried replacing it myself by ordering a replacement part online using my vin and having my mechanic replace.