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14/11/2022 7:06 pm
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Hi. Code P0304. Chasing down possible problem source for my 2009 Jeep Wrangler 3.8-liter, cylinder-4 misfire code. So far, I installed new plugs, NGK wires, and replaced the coil pack. I cleared the code, and it came back. What is the next logical thing for me to look for?
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14/11/2022 9:27 pm
Maybe a clogged fuel injector? You could have just swapped the coil pack with an adjacent cylinder to see if the misfire moved instead of buying a new one.
