VW Polo 1.2 simos 3 need remove dtc please

**mg139** · 21st July, 2020, 07:18 AM

Hello.
Can You help to remove DTC P0420 VW Polo 1.2, Ecu SIMOS 3 PD 5WP40124 03D906032C. Thanks.

**mg139** · 5th August, 2020, 08:20 AM

Can anyone help, please?

**pike** · 5th August, 2020, 10:17 AM

Hi,

you need downstream lambda sensor off

**mg139** · 20th August, 2020, 11:47 AM

I have tried use lambda emulator but does not work. Please help.

**socha1997** · 20th August, 2020, 12:03 PM

Originally Posted by mg139

I have tried use lambda emulator but does not work. Please help.

Try this and report

**mg139** · 16th September, 2020, 06:58 AM

Originally Posted by socha1997

Try this and report

I tested Your file but after driving some kilometers check engine come back and P0420 fault. Have You got some other idea please?

Thread: VW Polo 1.2 simos 3 need remove dtc please