UK-POLOS.NET - THE VW Polo Forum

Thanks for the responses, I disconnected both o2 sensors and ran the car then reconnected them and so far no error codes. If one pops up I will just buy genuine part

Hi I have vw polo blue gt 150ps 64 plate.

I keep getting engine light come on telling me the o2 sensor post cat is stuck/lean and or low voltage.
Error codes P2270, P0137, P0141.
Does anyone know the part number for post cat o2/lambda sensor as dealer is charging £218. If anyone has any advice on ...