In this episode of Saturday Mechanic, Ben Wojdyla explains the basics on how an ignition system operates and how it has evolved over the years.

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Who says you can't work on your own car anymore? Follow Popular Mechanics associate auto editor Ben Wojdyla as he leads viewers, step by step, through repairs, upgrades, and troubleshooting tips. Got car questions? Email Ben, and he may answer them on the show.

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