The use of one screw on the MapV sensor began mid production of the 2011 model year.
That's when the "bean counters" at FMC began trying to save money, etc. & removed that second screw & instead, used a guide pin on one side & then just one screw to fasten it down, on the opposing side.
Based on that, it can be either a 2010, or 2011MY.
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