No, diesel engines don't have ignition coil as they work on compression ignition and not on spark ignition as in diesel engines. Glow plugs used in diesel are like small electric heaters which use the mechanism of heating due to resistance during electrification.
Erythromycin. Erythromycin is a very common antibiotic treatment for walking pneumonia. It is very similar to penicillin when it comes to how it works, metabolizing bacteria-fighting 14-membered lactone rings in the liver. As a treatment for walking pneumonia, Erythromycin is prescribed through tablets, gels or injections.
One of the best cure for food coma is to go for walk though it may not be an activity of choice after a heavy meal but some brisk physical activity can help cure food coma. Drinking a cup of coffee can also help in curing food coma as aids in boosting the sympathetic nervous system.