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Video: Guess the Spark Plug Replacement Interval

Engines are evolving and spark plugs are changing to counteract the additional stress inside the combustion chamber.


Many OEMs are revising the spark plug replacement interval downwards. In the past, a spark plug might go 100,000 miles. On today’s direct-injected engine with a turbocharger, the interval might be just 35,000 miles. Watch the quiz and play the game, you might be surprised.

This video is sponsored by Autolite.

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