Nissan 350z Cam 1 Issue

Hey Guys

does anyone have a hint for me to my CAM 1 issue.
my lady has the problem that sometimes the angle from CAM 1 switch to -6800 degrees. sometimes after 2 miles and sometimes after 50miles.

i have changed the CAM Sensor to a new one, but after the change the car wont start and the triggertoth is at 28 in the logs (with the old Sensor at 24).
it doesnt matter if i use a aftermarket Sensor or a OEM Part. Its the same with both. (partnumbers are identical).

After i changed to the old one the car start again. But with the sometimes issu with wron angle at CAM1.

Does anyone has an idea?

BR Lukas