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Discussion Starter · #1 ·

My sons Mini One sometimes throws up a fault code P1685 and goes into limp mode. If you turn engine off and back on again the car runs fine and the engine management light sometimes stays on and sometimes goes off.

Any ideas?

We have replaced the accelerator pedal and throttle body (both 2nd hand) I've reset the ECU using the trip button method.

It only seems to come on and go into limp if revs go up to about 4500 so doesn't normally come on but it needs to be fixed.

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