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noise after spark plug change

Old 04-01-2019, 10:53 PM
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Question noise after spark plug change

Hello all,

I just did a spark plug change on my 2013 jeep jku 6 speed due to a misfire in cylinder 2 code (p0302). I have noticed a noise like a knock/tick while in idle and a little while on the gas. it idles at a good rpm just sounds rough. are there any thoughts as to why this is happening? I believe it could be because a possible coil pack isn't fully engaged with the plug and the arc is jumping but there are is no longer a check engine light and no code for a misfire. would this problem throw a code for misfire?

Thanks for helping!
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