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Coil pack cylinder 1. Move/switch to cylinder 3 and see if the misfire follows the coil. If it does, it is the coil pack. Change it. If it does not, probably the spark plug on cylinder 1 needs a new one. BTW, Cylinder 1,3,5 is the firewall side left to right. You need to remove the intake manifold, cowl, windshield washer motor assembly to get in there. If plugs are fouled with oil, you might need to replace the entire valve cover to replace the plug seals. eBay USA has lots of cheap aftermarket valve covers that works great-$50/pair. If you are changing plugs, change all of them at the same time and only use the same NGK #.
 
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