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Coil pack Issue??

3K views 3 replies 3 participants last post by  megax05 
#1 ·
Hi
I recently discovered that my coil pack on my 08 JKU leaks spark to the mounting bolts I dont know if that a huge problem I face some rough engine/hesitation/stall some times It always to be there at cold start.
any suggestions or any of you guys faced the same problem?

the coil pack is new
spark plugs less than 50k on them same for the wires.
 
#2 ·
first off, new doesn't = not defective
I learned that when I installed a new starter that came without the key between the shaft and gear!
I'm not sure if the plugs could cause this but it seems doubtful.
Since the spark will take the path of least resistance it can't hurt to check them.
 
#3 ·
Coil pack OE or aftermarket? Like MeachanBearcat said, "new doesn't = not defective," and aftermarket parts can often be garbage. Spark plugs approaching 50K miles I'd check them, in fact I'd replace them.
 
#4 ·
the coil pack is aftermarket I will check my old Coil that I replaced just cause I doubt that it my be the cause of my old missfire problem and it was not i still get the same problem till i canceled my cats.
so I will try the old one first if it solved the problem I think its time for a set of new plugs and coil pack.
 
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