How to Test Spark Plugs

Part of the Video Series Changing Spark Plugs

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After installing spark plugs, make sure they work! Learn how to test the engine after replacing or installing new spark plugs in this free online instructional video.

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Tags: car, car repair, spark plug, truck
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All Videos in the Series, Changing Spark Plugs

Member Comments

Posted by conrana on Monday, 28 January, 2008 at 4:59 PM

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vwry informative.I can do it.

Posted by hiphipster on Thursday, 15 November, 2007 at 1:51 AM

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why did it took a long time to star? not fire fast. is that normal

Video Transcript

How to Test Spark Plugs
Hi! This is John from Expertvillage.com. In this video clip we will be going through the final procedure for replacing spark plugs, which is to start the vehicle and make sure everything is working properly. I am going to make sure I close the hood and when I go to start the car if it does not start that means I probably have my spark plug wires mixed up. This car started up good, but if your car does not start right away or if it does not start at all, you might want to check to make sure that your spark plug wires are securely on your spark plugs. Also in this demonstration we just did one spark plug whereas on your car you would want to do all of them.

About the Expert

Expert: Jon Olson holds a Bachelors of Science in Education and Human Sciences degree, with an endorsement in Industrial Technology Education from the University of Nebraska in Lincoln. Read More