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Q: electrical arcing from timing cover to crankshaft pulley when running.Any ideas? on 2006 Kia Rio

Rookie cbe0621eac06868b3efe0d8d1d3611e23c60d3114864ea2ec19a68cfbd3eebab
occurs whenever vehicle is started and running at idle.
as crank is turning, there is an intermittant arc that goes from timing cover to the crankshaft after the vehicle is at operating temp. I hve never seen this before.
(2) Answers
Bolt holding the plastic timing cover on is hitting/rubbing the crank pulley! Creating sparks.
That's my guess.
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