A Small Component with Big Problems – The Spark Plug

A Small Component with Big Problems – The Spark Plug | Autoworks Of Issaquah

Every vehicle owner despises the dreaded engine issues that can leave them stranded on the side of the road or with hefty repair bills. While engines are complex systems with many components, one particular culprit tends to cause more trouble than others. 

Get ready to delve into the heart of your vehicle's troubles and learn how to address them head-on.

  The Spark Plug - Small Component With Big Problems

At the heart of many engine issues lies a seemingly innocuous component: the spark plug. Despite its small size, the spark plug plays a crucial role in the combustion process, igniting the air-fuel mixture within the engine cylinders. 

When they fail or become faulty, they can wreak havoc on engine performance, leading to a range of issues from misfires and poor fuel efficiency to rough idling and difficulty starting the engine.

  Common Problems With Spark Plugs

So, what exactly can go wrong with spark plugs? Well, there are several common issues that can arise, including fouling, wear and tear, and electrode erosion. Fouling occurs when deposits build upon the spark plug's tip, hindering its ability to produce a strong spark. Wear and tear, on the other hand, can cause the electrode gap to widen over time, reducing the spark plug's efficiency. Finally, electrode erosion can occur due to prolonged use or poor-quality fuel, further compromising performance.

  Symptoms of Spark Plug Issues

How do you know if your spark plugs are the source of your engine woes? Look out for warning signs such as engine misfires, rough idling, decreased acceleration, and difficulty starting the engine. Additionally, if you notice a drop in fuel efficiency or an increase in exhaust emissions, it could indicate spark plug problems. Ignoring these symptoms can lead to more severe engine damage and costly repairs down the line.

  Preventing Spark Plug Issues

The good news is that regular maintenance and replacement can prevent many spark plug issues. Follow your vehicle manufacturer's recommended maintenance schedule for spark plug replacement intervals, typically every 30,000 to 100,000 miles depending on the type of spark plugs used. 

There are two primary types of spark plugs: traditional copper-core spark plugs and newer iridium or platinum spark plugs. Traditional copper-core spark plugs are cost-effective but may require more frequent replacement due to faster electrode erosion. 

On the other hand, iridium or platinum spark plugs are more durable and have a longer lifespan, making them the most reliable choice for modern engines. While they may come at a higher initial cost, their superior performance and longevity make them a worthwhile investment for engine health and reliability.


Does your engine need a check-up - maybe a few overdue maintenance tasks? Don't worry; the team at Autoworks Of Issaquah is here to help; you just have to book an appointment.

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