VW polo 1.4 marelli IAW 4tv.ka dtc off

[tom222]

Some friends, can someone help me by deleting the dtc in vw polo 1.4 ecu Iaw 4tv.ka. Thank you in advance for your help. 16804 efficiency of the catalyst 17604 sensor sporadic: heater circuit, Bank 1-sensor 1 17605 sensor sporadic: heater circuit, Bank 2-sensor 1:

[Domi]

here try it.....