Literally have to do the spark plugs and ignition coils this weekend on my wj. This video was perfect timing for me lol
If moisture gets in spark plug hole it can ground out coil pack then burn it up. Happened on 2 of a buddies coil packs. Testing with ohm meter takes the guess work out.
Use ohm meter to test coil pack. If it test good pull and reinstall coil pack. Sometimes they don't make good connection. I had to put a washer on 2 of mine.
So did it end up being the coil pack?
Nope, never got it figured out as of yet. Weird as it was only on colder morning it would misfire and it would only last about a minute
@AGuyandHisProjects Maybe a lash adjuster not getting enough oil due to the cold and not seeting a valve all the way?
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