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What are the symptoms of a faulty igniter?

A faulty igniter, also known as a glow plug or spark plug, can cause a range of issues in various appliances and engines. Understanding the common symptoms of a faulty igniter can help you identify and address the problem quickly.


Common Symptoms of a Faulty Igniter



  • Difficulty Starting: If the igniter is not functioning properly, the appliance or engine may have trouble starting or may not start at all. This is one of the most obvious signs of a faulty igniter.

  • Irregular or Inconsistent Ignition: A faulty igniter may cause the appliance or engine to ignite inconsistently, leading to irregular or uneven operation.

  • Reduced Efficiency: A malfunctioning igniter can result in incomplete combustion, leading to reduced efficiency and performance of the appliance or engine.

  • Unusual Noises: In some cases, a faulty igniter may cause unusual noises, such as clicking, popping, or sputtering, during operation.

  • Increased Fuel Consumption: If the igniter is not working correctly, the appliance or engine may consume more fuel than usual to compensate for the incomplete combustion.


It's important to note that the specific symptoms may vary depending on the type of appliance or engine and the severity of the igniter issue. If you suspect a faulty igniter, it's best to have a professional technician diagnose and repair the problem to ensure the safe and efficient operation of your equipment.

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.