2004 Buick LeSabre Q&A

2004 Buick LeSabre Question: what causes no spark at plugs

have replaced crank and cam sensors, have power to control module under coils. I still have no spark to plugs. the engine cranks and has gas to the cylinders. this happened all of a sudden. -
Answer 1
Positve about no fire at all to the spark plugs? How was it tested? -
Answer 2
SEEK DIAG AND SAVE TIE AND MONEY -
Answer 3
Coil pack may be bad or the body plate is rusted, no connection. -