95 S420 check engine light
 

repeated codes for crank sensor open or short
and also fuel injectors open or short.
replaced crank sensor and checked all injectors resistance
all within 10 ohms of each other.
could this be a possible wire harness?
light stays out for about 5 starts or 20 miles codes reappear
and will idle rough then check engine light comes on then engine smoothes out and runs fine