
Eight Signs of a Failing Ignition Coil
Ignition coils are among the hardest-working components in a modern petrol engine. So why is it that they're so often overlooked? Every time the engine fires, each coil converts the car’s relativ...

What Causes Ignition Coils to Fail?
Ignition coils operate in one of the most demanding environments found anywhere on a modern car. But for such a critical component, they rarely get much attention! They are exposed to heat, vibra...

10 Steps to Diagnose a Failing Ignition Coil
A rough idle, engine warning light or misfire under acceleration can clearly point towards a failing ignition coil - but it does not always confirm it. Spark plugs, injectors, wiring faults, air ...
