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What happens when your ignition igniter goes bad?

When the ignition igniter in your vehicle goes bad, it can cause a range of issues that can impact the performance and reliability of your car. The ignition igniter is a critical component in the ignition system, responsible for generating the high-voltage spark that ignites the air-fuel mixture in the engine's cylinders.


Symptoms of a Bad Ignition Igniter


The most common symptoms of a bad ignition igniter include:



  • Difficulty starting the engine, or the engine not starting at all

  • Rough idling or stalling

  • Reduced engine power and acceleration

  • Increased fuel consumption

  • Misfiring or engine hesitation

  • Check engine light illumination


These symptoms can occur because the ignition igniter is responsible for providing the high-voltage spark that ignites the air-fuel mixture in the engine's cylinders. If the igniter is not functioning properly, the engine may not start or run smoothly, leading to the issues mentioned above.


Causes of a Bad Ignition Igniter


There are several potential causes of a bad ignition igniter, including:



  • Normal wear and tear over time

  • Exposure to heat, moisture, or other environmental factors

  • Electrical issues, such as a short circuit or power surge

  • Compatibility issues with other ignition system components


If the ignition igniter is not replaced when it goes bad, it can lead to further damage to other ignition system components, such as the spark plugs or ignition coils, which can be more expensive to repair.


Replacing the Ignition Igniter


Replacing a bad ignition igniter is typically a straightforward process, but it's important to follow the manufacturer's instructions and use the correct replacement part. In some cases, the ignition igniter may be integrated into the ignition coil, requiring the replacement of both components.


If you're unsure about the condition of your ignition igniter or how to replace it, it's best to consult a qualified automotive technician who can diagnose the issue and perform the necessary repairs.

Kevin's Auto

Kevin Bennett

Company Owner

Kevin Bennet is the founder and owner of Kevin's Autos, a leading automotive service provider in Australia. With a deep commitment to customer satisfaction and years of industry expertise, Kevin uses his blog to answer the most common questions posed by his customers. From maintenance tips to troubleshooting advice, Kevin's articles are designed to empower drivers with the knowledge they need to keep their vehicles running smoothly and safely.