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A vehicle missing that bad will definitely set a code. If its P0300 thats random cylinder missfires. If its P0301- P0306 those are cylinder specific. P0301 being cylinder #1 and so on. That will identify which coil is bad if its a coil.
Either way do the plugs and wires then if the code reappears as a cylinder specific code, you will know which one it is.
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