What is the difference between an ignition coil and coil pack?

The term ignition coil or coil pack are used interchangeably within the automotive industry. Both terms refer to the same part.

What does an ignition coil do?

The term ignition coil or coil pack are used interchangeably within the automotive industry. Both terms refer to the same part.

Do your ignition coils come with a warranty?

Absolutely, each ignition coil comes with a 2 year or 24,000 mile warranty, whichever occurs first.

How many ignition coils does my car need?

All of the ignition coils AA Ignition currently offers are for modern vehicles which utilize one ignition coil per cylinder. This is sometimes referred to coil-on-plug. Therefore, if you have a 4-cylinder engine you will need 4 ignition coils, a 6-cylinder engine 6 ignition coils, an 8-cylinder engine 8 ignition coils, and so on.

What are the symptoms of a failing or bad ignition coil?

While this can vary from car to car, typical symptoms including a check engine light, hesitation upon acceleration, decreased fuel economy (MPGs), and misfires.

What is a misfire and how do I know it is happening to my car?

A misfire is when a cylinder in the engine either does not fire or fires out of order. Misfires can be identified a number of ways. Often times the check engine light will illuminate or begin flashing on the gauge cluster. Fault codes for misfires can also be present in the engine computer (ECU) when scanned with a diagnostic tool. Misfires will also make the engine run “rough”. This includes a change in tone when idling or accelerating and also increased vibration from the engine compartment.

How hard is it to change ignition coils?

Ignition coils are fairly easy to change on modern vehicles. On most vehicles ignition coils can be replaced in about 30 minutes. On some vehicles it may take slightly longer.