A distributor coil is an essential component of an internal combustion engine’s ignition system. It is responsible for converting the vehicle’s battery power into the high-voltage electricity needed to create a spark at the spark plugs, which ignites the air-fuel mixture in the engine’s cylinders.
A faulty distributor coil can cause a variety of problems, including engine misfires, rough idling, and difficulty starting. If you suspect that your distributor coil may be failing, there are a few simple tests you can perform to confirm your suspicions.