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Discussion Starter #1 (Edited)
Hey all...I should know this and I'll probably get scolded but I need a sanity check.

I have a misfire on cylinder #2 and thr ODBII says ignition coil (P0302 code). My question is...cylinder #2 is the 2nd one from the left, correct? I know the firing order is not in 1 2 3 4 order but are the cylinders labeled as such?

Sorry for the dumb question. :)
 

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P0302 is just a code for misfire on cylinder 2
From where the belts are, the cylinders count 1, 2, 3, 4

And yes, the broken ceramic on the spark plug is a possible cause of the misfire
Either that or it is a result of the misfire.
 

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I wonder where the broken bits of the ceramic went, and how abrasive ceramic dust is?
 

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If you do a search there were threads about the porcelain cracking on the Denso plugs and I think the first version of NGK. Hyundai has changed the plug now to the OEM # 18849-09085

They are about $ 26 each at the dealer, can be found on EBay from Korea for about $ 55 for all 4. Ive purchased 2 x now from EBay sellers and they were OEM, new part number at 50% cost but it takes a couple weeks to get them
 
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