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Hey, How is the troubleshooting going? I am chasing the p0300 right now. I Replaced the ignition system from coil pack to wires to spark plugs. Crank position sensor just a few minutes ago, and still no avail. I am thinking that its the 02 sensors because I had it leaking exhaust for so long...

Wow! Ceramic is that effective? I have some exhaust wrap and I plan on that, but will it work better if I get it coated first? I appreciate your reply... I can't find a shop worth a damn anymore. The guys that did this were "professionals" I understand aftermarket stuff doesn't just plug and...

Hey! Have any stainless exhaust header advice or how to's? Ive a heat issue, and think that I may have replied to you in my own thread. I have to heat proof my wires. Thank you for your threads and help!

I installed the coil pack today, it's putting enough spark through a burnt wire to not idle too bad. I am almost certain it's the header heat that burns the wires through. I'll update the progress with that coil pack. It looks more like a distributor but there's no mechanical connection. Have...

How do you test one? I imagine resistance or shorts to ground, but what should I see? A climbing resistance across the coil, obviously infinite resistance when taken from ground. I also ordered a "demon dui" or something like it, higher performance coil, and I hope its not just hyped up chinese...

I think that theres something up with the heat coming off those stainless headers I put in. The misfire initially was p0304, so I replaced the cables with new. Now theres a ton of other things not firing correctly. I think that the ecu may shut down cylinders or something weird when it senses a...

There was only the p0304, and it backfires too. I replaced the spark cables, which worked for 15 minutes, cleared the check engine light even, then she started running horrible again. I seafome'd her and now the random is all over the place. I haven't checked again for the codes that have popped...

Hey thanks! Looking on these forum I generally find better advice and technical know how than the dealership and manufacturer.

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...