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Oil life sensor accuracy

gillyallan
gillyallan
in Ford Focus Club

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On the fordpass app it gives access to oil life. Wondering how accurate it is?
My car got serviced today and oil life was at 88%, after service its now 100%
Was a year since oil changed so thought 88 seemed quite high, had done about 10k miles.


  • Quote


    There is no oil quality sensor. 

    The oil quality is calculated based on mileage, engine hours, percentages of warm/cold engine, engine load, etc. This is not a very accurate method to determine the oil quality.

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    There is no oil quality sensor. 
    The oil quality is calculated based on mileage, engine hours, percentages of warm/cold engine, engine load, etc. This is not a very accurate method to determine the oil quality.
    OK thanks. Would still have thought after a year and 10k it would have calculated towards a lower percentage.
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