If it just fell out of its hole, put it back in there, and see if you can make it stay. If the sensor itself is actually broken (non-functioning) then get a new one.

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It is a truism that almost any sect, cult, or religion will legislate its creed into law if it acquires the political power to do so. Robert A. Heinlein


09 Jetta TDI
1985 300D