Well i just spent $400 dollars last week to change both crank sensors in my 2003 cadillac SLS wit 48685 miles on it now today while going out to lunch i noticed that while stoped at a red light the car starts shaking it stops then starts shaking again no codes no engine light on nothing just shaking also when i take off it kinda shakes a little then its back to normality until i brake again it shakes can anybody please help me.