F 350 4WD Super Duty V10-6.8L VIN Z CNG (2003)
Ignition Coil: Description and Operation
Standard Models (Non BI-Fuel)
COIL ON PLUG
Coil On Plug
The coil on plug (COP) (Figure 62) ignition operates similar to standard coil pack ignition except each plug has one coil per plug. COP has three
different modes of operation: engine crank, engine running, and CMP Failure Mode Effects Management (FMEM).
