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Stock JK Tech Bulletin board forum regarding issues with OE (original equipment) components of the Jeep JK Wrangler (Rubicon, Sahara, Unlimited and X) such as factory suspension parts, engine, transmission, body parts, interior fixtures and the on-board computer.

Dreaded Misfire Cylinder 6

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Old Jun 29, 2021 | 07:04 PM
  #1  
sweetnsassy40361's Avatar
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Joined: Jun 2021
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From: paris, ky
Default Dreaded Misfire Cylinder 6

Throwing code that there is a misfire in cylinder 6. Replaced that spark plug and coil pack. Picked it up and it stayed off. Was low on gas and gas light came on. Got half a tank and while I waited to pull away the light came back on. Took it up the road and it was snowing the same code. Got some fuel injector cleaner just to see if maybe it would help. Tripped the kill switch and the light went off but came back on after about 30 minutes.

Not sure if any of that has anything to do with it. I am freaking out because I don’t know how to do things and have to pay to have it done so if I have to start picking items to try and figure it out I am not sure where to start. Please help.
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Old Jul 1, 2021 | 05:04 PM
  #2  
Rednroll's Avatar
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Joined: Apr 2010
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From: SE Michigan
Default

You got the most common ones in plugs and coil pack. How about your spark plug wires did you change them as well?
If not it might be worth while swapping a couple of the wires and see if the problem follows the wire.

The most likely item after that which I had to do not so long ago is replace the fuel injectors. It's not a hard job, but also not that easy if you don't have tools or mechanically inclined. You have to remove the upper manifold to gain access to the fuel injectors.
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