Understanding the appropriate procedure and diagnosis codes for a particular study question is an important part of analyzing Medicare data. These codes are very specific and can change from year to year as new codes are added and others are discontinued.
There is no wear-out factor in the coil itself other than thermal cycling and the damage it may cause. Boots and wires do age, resulting in reduced insulation value over time. The key to correct ignition system diagnosis is to understand the details of how the system you are working on really functions. PAGE:
Not a good thing. Keeping your coil wet is critical; if your coil is not wet at all times--you'll get dry hits. Never over vape, chain vape, power vape, or vape at excessive power (wattage)--you'll starve the coil. Dry hits occur when your device can't supply enough juice to the hot coil fast enough to cool it off.