Ignition System Guides

Keen to understand more?

Take a read through our guides for a deeper understanding of your car's Ignition Coils, and how to tell if they might be failing.

Eight Signs of a Failing Ignition Coil

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?

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

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 ...