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p2248

  1. Guy.Pap

    powertrain code p2248, help please..

    I have the code P2248 now showing on my 2008 E280 CDI sport, when looking up the code it shows it as "o2 sensor reference voltage performance" bank 2 sensor 1. I have been suffering some horrendous fuel economy recently and have had the codes read but nothing showed up until today and this...
    • Guy.Pap
    • Thread
    • code p2248 powertrain
    • Replies: 0
    • Forum: Engine
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