O2 sensor issues

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11 January, 20251 yr

Anyone any ideas why bank 1 sensor 1 and 2 gains this much voltage and the fuel rail pressure drops.

2018 Mk3 octavia 1.6 TDi

1st column is fuel rail pressure

2nd is sensor 1 voltage

3rd is sensor 1 ratio

4th is sensor 2 voltage

5th is sensor 2 ratio

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