Dude, quit guessing and check your vacuum with a mity vac. Then check your duty cycle.

Vacuum should be more than 10hg, ideal is 12-15.
If you have any voltage tester you can just check to see if you get 6ish volts at you x11 port.

These engines are very crude, and uncomplicated

__________________
Eugene

10 E63 AMG
93 300te 4matic
07 BMW X3
14 Ford F-150 Fx2