Quote:
Originally Posted by TPI Monte SS
I thought the same thing, but after doing some research over at jeepkj.com it seems the Liberty comes with cheapo NGK plugs off the assembly line. And most have reported them being overgapped by 30K miles, so it's probably a good idea to change them. I wonder if the coil-on-plug system has anything to do with that? The same thing happens to my Cherokee as well.
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I'd stay with NGKs.
Autolites work best when knocked over the fence with baseball bats and replaced with a good brand.
