Spark Plugs & Ignition Coils on a 2003 Chevy Trailblazer 

Replacement of the Spark Plugs & Ignition Coils on a 2003 Chevy Trailblazer 4.2L.
Spark Plugs:
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Spark Plugs & Ignition Coils Packages:
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I am a self taught mechanic of over 30 years in the field. Helping people save money and stay safe on the road is what I am here for. If I can pass that along in my videos, that would make me feel even more accomplished. I am rather old school and do not really do things by the book, for this reason, I do not claim to make "Instructional" videos. My videos are for entertainment purposes only. Please use safety and knowledge when doing your own repairs. ~ Ben - MegaMiles
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