misfire

Hey all, I’m not usually one to post but I’m completely stumped. I’ve got a 2012 jeep wrangler sport with about 130k miles on it. A few months ago it started randomly misfiring, and the dealer replaced the bank 2 cylinder head, valves, and gasket. Had 80% leakdown Things were good for about 2...

Hello! I just recently purchased a 2015 jku with 130,000 miles. I bought it knowing the engine light was on thinking I could fix it with a few parts. Its a good clean ride completely stock. It’s throwing codes p0300 and p0302.. (misfire in cylinder 2) Thing is it runs and sounds just fine. If...

Hello All, This is my first post to the forum and looking to get help with a problem I’m trying to overcome. My jeep has a massive misfire and I already changed the spark plugs and swapped the coil pack of the misfire to a different one trying to see if the coil pack was the problem. Well...

I need help and some ideas everyone. 2012 JK Unlimited Sahara 138k miles Sorry for the long post but trying to get all the info out at once to be specific. Purchased a JK from a friend about a year ago and have had no issues until recently. About 2 weeks ago, I was driving along fine and...

Hey guys I’m new here. So I have a 2007 Jeep Sahara. It’s got a p0301 code that is active which indicates a cylinder 1 misfire. I’ve replaced spark plugs, spark plug wires, ignition coil pack and a fuel injector for the #1 cylinder but nothing has fixed it. Has anyone else had this issue? If so...

Hello, I’ve got a 2011 jk, after mild overheating problems, i blew my head gasket. I proceeded to replace both head gaskets, exhaust manifold gaskets, water pump, spark plugs, spark plug cables. I burped the coolant system of air and refilled with coolant fully. After all this my Jeep now does...

Hello to all JK folks, I have an 07 JK named Petunia (its my wifes, and I did not name her, but we love her just the same.) Anyway, shes got 114k+ and we replaced a cracked header with shorty stainless heads. Now theres a misfire, which started on Cyl 4, and I just replaced it, but theres still...