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I have a problem with my Ford Fiesta 1.1 Duratec 2019. It is reporting faults with the VVT actuators, evaporator valve and both O2 sensors because oil has entered the block through the VVT actuators via the connectors. The authorized service requires replacing both VVT actuators, all engine wiring, evaporator valve and both O2 sensors. I replaced everything with new except the engine wiring which I found used because new is too expensive. But I still have the same errors as before replacing everything. I suspect that the ECU is faulty. Has anyone encountered this problem?
