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:
Last week i replaced the spark plugs. Prior to changing the spark plugs the ignition coil in cylinder 8 had gone bad 2 times. i was told that the spark plug in there could be bad or going bad thus causing this problem. now i... show more I have a 1999 mustang gt 4.6l which uses the ignition coil on spark plug system.