E 350 V10-6.8L (2007)
Ignition Coil: Description and Operation
COIL ON PLUG (COP)
Typical Coil On Plug (COP)
The COP ignition operates similar to a standard coil pack ignition except each plug has one coil per plug. The COP has 3 different modes of operation:
engine crank, engine running, and CMP failure mode effects management (FMEM).
COIL PACK
Typical Four-Tower Coil Pack