Interfering with the crank sensor will cut fuel as well as ignition.

It does contect to the CAS, my certainly didn't cut any fuel that I could tell, only the sparkScooby_RA wrote:will have to check that then, i'm sure thats were it goes, didn't know it cut fuel as well?
I could be wrong abouts its ignition cut source as if it cut the fuel how would it produce a flame as claimed?