Spark Plugs

**Common Car Faults: Sparking Interest in Spark Plugs**

Spark plugs might be small, but their role is undeniably important. These components ignite the air-fuel mixture in the combustion chamber, directly impacting your vehicle’s performance and efficiency.

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**UK Statistics**:
Spark plug issues, while relatively simple to address, can lead to more significant problems if neglected. It’s estimated that around 4% of engine-related issues in the UK can be traced back to malfunctioning spark plugs or related components.

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**Symptoms of Malfunctioning Spark Plugs**:
1. **Rough engine idle**: The engine might sound louder or vibrate noticeably at a standstill.
2. **Difficulty starting the car**: Spark plugs play a crucial role in igniting the engine.
3. **Decreased fuel efficiency**: Worn-out plugs can result in incomplete combustion, leading to wasted fuel.
4. **Engine misfiring**: This can be felt as intermittent jolting during acceleration.

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**Understanding the Causes**:
– **Normal wear and tear**: Over time, the electrodes on spark plugs can wear down.
– **Oil contamination**: If oil leaks into the combustion chamber, it can foul the spark plug.
– **Incorrect gap**: Spark plugs need a precise gap to ignite the fuel properly. Over time, this gap can change, or if the wrong plug is installed, it can be off from the start.

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**DIY Fixes and When to Consult a Professional**:
1. **Regular inspection**: Remove and inspect spark plugs for wear, fouling, or incorrect gaps.
2. **Cleaning**: If a spark plug is fouled with debris or minor carbon deposits, it can often be cleaned and re-gapped.
3. **Replacement**: Spark plugs are relatively inexpensive. If there’s any doubt about their condition, it’s best to replace them.
4. **Professional help**: If changing the spark plugs doesn’t resolve the issue or if you’re uncertain about the procedure, consult a mechanic. They can also help determine if there’s an underlying problem causing spark plug issues, like an oil leak.

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**Fun Fact**: The first spark plugs were used in the 19th century, and while the materials and technology have evolved, the basic principle remains largely unchanged over a century later.

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Most manufacturers will have a pre-determined spark plug replacement interval, our super-friendly sales advisors can check this for you or let you know as part of your annual service. you can get the price and book your service directly from our website. to add spark plugs on to your annual service just leave us a note, or if you prefer, send us a message with your registration and we will be sure to get back to you.