Changing Crankshaft Sensor on 2006-2012 Nissan Sentra MR20DE 2.0 Engine P0335

A simple job, but you do need to get under the car
This is one potential cause of a no start or long crank to start condition
I recommend buying the Nissan one if you don't have a preferred aftermarket brand: Nissan part: 23731T
Time: ~15 minutes or less (longer if you don't have everything ready)
Tools:
8mm 1/4" drive socket I prefer deep for the added extension
10mm 1/4" drive socket
short extension 3/8" or 1/4"
3/8" drive ratchet A 3/8" gives a bit more leverage
3/8" to 1/4" drive adapter
jack & jack stand
or
ramp
Your phone's camera or an inspection mirror are helpful for seeing where you can't see
An ODB2 reader to clear the check engine light, if needed