►The spark plug is one of the simplest parts fitted to your engine. Yet, its health determines how much power you make and how well the engine runs. Symptoms of a bad spark plug include power loss, poor fuel economy, misfires, and engine hesitancy. Luckily, a simple spark plug replacement is all that's needed to restore what was lost. Just make sure you have the correct spark plug for your application.

There are well over twenty different sizes and types of spark plugs for automobile engines. While fcpeuro.com will give you the right types to choose from, it's up to you to pick the one that best fits your driving style. So which one is that? Follow along with Mike Hidalgo, FCP Euro's Professional DIY'er, as he takes you through the most common plugs you'll find for your vehicle and how each might work for you.

00:00 - Intro
00:44 - Copper Core Spark Plugs
01:24 - Iridium Style Spark Plugs
01:56 - Double Platinum Spark Plugs
02:20 - Double Iridium Spark Plugs
02:46 - Racing Spark Plugs
03:12 - "One Step Colder" Spark Plugs
05:59 - Wrap-up

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