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engine knock sensor

  1. YF (2011-2014) Sonata/i45
    Hello! I am a proud owner of a 2013 Sonata GLS with the 2.4L Engine and the other day I had every car owner's nightmare. A strong knocking sound followed by an intimidating flashing check engine light. Now I'm one of the smarter car owners and invested in a OBD2 reader and ended up with code...