Ignition Coils

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FAQs Apply for Trade Credit

What is an ignition coil?

An ignition coil is an essential car part which passes electricity to your spark plugs to start your engine.

Ignition coil replacement

Ignition coil symptoms to look out for include trouble starting your car, backfiring, stalling or lowered fuel efficiency, so replacing your ignition coil as soon as possible will help get your journeys back on track. If you leave your faulty ignition coil for too long, this could damage the catalytic converter, resulting in an even more expensive part to replace.

Ignition coils don’t need to be changed together if your other coils are functioning properly. Faulty spark plugs can put extra strain on your ignition coils, so you may need to replace them together. However, if there are no signs that your spark plugs need replacing, you can just replace the faulty ignition coil.

Ignition coils from Halfords

If this crucial car part needs replacing, Halfords sell ignition coils for all makes and models of vehicles. Enter your registration number to see all products suitable for your car. Once you’ve found an ignition coil, choose between home delivery or fast click and collect from your local store.

Ignition Coil FAQs

What does an ignition coil do?

It takes the power from your car’s battery and changes it into a strong spark. That spark lights the fuel in the engine so the car can run.

How many ignition coils does a car have?

It depends on the car. Many older cars only have one, while most modern engines use one coil for each cylinder.

What are symptoms of a bad ignition coil?

If a coil is failing, the car may misfire, lose power, or use more fuel than normal. You might also notice the engine is harder to start.