Spark Plugs
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How-To Videos
Chris Fix — Ultimate Guide to Spark Plugs
Popular DIYer Chris Fix shows you which spark plugs are the best choice for your vehicle and how to easily install them.
What’s the Difference Between Spark Plug Types?
Learn more about the different types of spark plugs, the pros and cons of each, and why you may need one over the other.
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Helpful Articles
What You Need to Know About Engine Misfires
An engine misfire can be a temporary or continuous problem that seems like a mystery. Learn about the different components of misfires and possible solutions.
Read MoreUnderstanding Different Spark Plugs
With multiple options, it’s difficult to know which spark plug is right for your vehicle. Learn about your options and an easy way to pick the right one.
Read MoreStep By Step – How to Change Your Spark Plugs
Spark plugs are one of the easiest parts to replace in most vehicles, making it a job you can still do on modern high-tech vehicles and older cars alike.
Read MoreGuide to Understanding Spark Plug Heat Ranges
There's still some confusion about spark plug types and heat ranges. Let's clear up some of that confusion.
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