What he said ^
plus, any "open side" socket or wrench will be weaker than a solid wall socket. The open types tend to give, and then you end up rounding off the sensor hex.
If you are replacing the sensor, you won't need the wire for it... so cut it off to allow use of regular deep well 7/8 socket (impact socket would be nice) or closed loop wrench. It will be much stronger.
Same trick works wonders for brake line fittings. Cut the line near the hex nut to be able to use a regular socket. Helluva difference. I do this for a living.