P0420 Volkswagen – Catalyst System Efficiency Below Threshold – CarObdCode.Com
Catalytic converter for Polo 6n1 1.7 SDI 1997-1999 (Diesel 57hp) AHG
Does A Vw Polo Have A Catalytic Converter at Robert Rasmussen blog
Tutorial to repair your OBD2 P4020 catalyst system - Otils OBD Facile
Code défaut P0420: Circuit de catalyseur, ligne 1 – rendement inférieur au seuil • Fiches Auto 24
VW #Polo #Software_Solution #P0420 Polo 1.4 16v in with the engine management light on the dash caused by fault P0420 after having a aftermarket replacement catalyst fitted. Our software solution eliminated the