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P0021 After Oil Change

Discussion in 'California/Portofino/Roma' started by Frank_N, May 17, 2020.

  1. Frank_N

    Frank_N Rookie

    Apr 20, 2020
    13
    Full Name:
    Frank
    #1 Frank_N, May 17, 2020
    Last edited: May 17, 2020
    Hello,
    Fully serviced my 2011 California around a week ago(Oil, oil filter, air filters and AC filter) and since that, it started to get engine light on(warm engine) and after a diagnosis, the error is P0021, erasing it just works for few minutes then gets again the same error, anyone knows what could be?

    No oil leaks, everything looks fine.

    I have used original oil and AC filter, recommended oil 5W40 Shell Helix Ultra and BMC Air Filters.

    Thank you
     
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  3. cali2012

    cali2012 Rookie

    Apr 27, 2020
    43
    Full Name:
    Giulio
    did they reset the Service Engine Soon Warning Light? it will shoot P0021 if you do not reset it.the easy thing i can think about it........:)
     

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