2004 VW Polo - EPC warning light, car appears to be running fine since : r/MechanicAdvice
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
16804 16556 Seat Ibiza O2 Sensor Bank 1 Autel MD702