Can you clean Spark Plugs and reuse them? But will cleaning used Spark Plugs make them work like new again?

We are going to see if you can clean spark plugs and reuse them again in your car, by using Coke-a-cola and salt. No really just some Coke and Salt to clean up dirty spark plugs.

After a few hours of soaking in the Coke and Salt, those darn spark plugs looked a lot better! However, even after a good cleaning, I still would just rather pay the current $2 per plug for NEW ones and maybe keep these cleaned-up used spark plugs as spares for road trips.

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