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Message: <blockquote data-quote="duff daddy" data-source="post: 603808" data-attributes="member: 10730">This is part of automotive work that you will learn, and I'm not trying to be a dick here. You need to diagnose the problem prior to messing with it. You need to check power and grounds, you need to find when your getting the misfire, whether its a slight mis, a perceived misfire, or a hard misfire. There is a difference between them. Once you have that information you need to inspect make sure the wiring is good, and the connection is good. Then you look at the Coil and make sure its not cracked around the boot, and inspect the plug. Depending on your mileage you should just replace the plugs AFTER you have determined they are the problem. Replacing parts is expensive, very very inaccurate for a repair, and causes the vehicle to be down longer then need be. If you diagnose the problem and get the correct information then you can attack the issue and repair it correctly. Yes I know you are younger, but this is where your father should step in and get the vehicle to a reputable repair facility so it doesn't cost you and him more in the long run. If your wondering about "but i didn't fix it myself and if I have someone do it, I wont learn" Your 100% incorrect. If you talk to the person (say you took it to a dealer) you can talk to your service adviser, they can convey the process in determining the problem, the repair and the basic idea of how to get it done. With a car as new as yours, and as nice, I personally would let a trained professional tackle it and see whats up. I have seen several flex plates ( autos) have a small crack on some Chrysler products and cause a perceived misfire. So in that instance it may be over your head and you could chase that problem for a long time</blockquote>