How do you tell if you need to change your vehicle's O2 sensor? You will be having fuel-related problems, … More
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What Do Spark Plugs Do?
Parts of a Spark Plug
How to Identify a Bad Spark Plug
Signs of a Bad Spark Plug
Tools for Changing Spark Plugs
What Types of Spark Plugs to Use
Where to Find Spark Plugs
How to Remove Spark Plug Wires
How to Remove a Spark Plug
How to Read Spark Plugs
How to Clean Spark Plugs
How to Set Spark Plug Gaps
How to Install a Spark Plug
How to Connect a Spark Plug Wire
How to Test Spark Plugs
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How can I tell if spark plugs are the problem? Learn how to identify the symptoms of a bad, or fouled spar… More
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Summary: How can I tell if spark plugs are the problem? Learn how to identify the symptoms of a bad, or fouled spark plug in this free online instructional video.
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"Hi, this is John from Expertvillage.com. In this video clip, I will be discussing how often you need to change your spark plugs in your car. Typically, a set of spark plugs will require replacement about every 20,000 to 30,000 miles depending on your driving style. For about every 2500 miles that you drive, your spark plugs will increase about 1000th of an inch. So on this spark plug here, you see that it is set to the correct specifications, however, the spark plug on the left has been not set for a while. There has been a lot of driving on it, so that is increased quite a bit. When you take a look at your spark plugs, as your gap gets wider, your engine performance will decrease significantly. So, it is always good to pull your spark plugs out and check the gap and make sure your gap is correct."
eHow Article: Signs of a Bad Spark Plug
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