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ASKED BY:

Marty

FSC MEMBER:

Yes

CATEGORY:

Engine

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Question

Hey Gil
My 1991 850 was driving perfectly fine until it went into limp mode. Found this fault code: 201 – o2 sensor control and 70-o2 sensor circuit.
What do you think? Is it as simple as replacing an o2 sendorsement?

Answer

It could be, but I would check the signals at the wires to make sure that they are ok. You will need a wiring diagram to check it. Please let me know if you need further assistance. Thank you.

Gil Neves

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