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2 faulty sensors does seem unlikely.
I would find a wiring diagram and check the earth point for the O2 sensors and go from there.
edit: I can't seem to find my wiring diagrams
I'd check over the wiring looms and see if there is any damage and clean all the wiring earth points on the engine.
I would find a wiring diagram and check the earth point for the O2 sensors and go from there.
edit: I can't seem to find my wiring diagrams
I'd check over the wiring looms and see if there is any damage and clean all the wiring earth points on the engine.
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