I have similar issue with a 2013 370z 24000 miles on it. Died at an intersection. It threw a P0340 code. I changed both cam sensors and crank sensor Still did not start. Unplugged right side sensor and it starts in limp mode. Dealer checked it and reports that "cam sensor isn't getting correct electrical signal, has electrical problems." I take it home and pull ECM. Power wire (green) to sensor has 5.4V and no short circuits. Ground (pink) OHM's good and signal wire (orange) has good continuity from sensor to ECM no shorts and disconnected from ECM.
This Z is box stock with no mods, wife's car, she likes it because its cute.
Do I check for cam timing issues from this point?
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