Ya, most have the rough idle. I got mine in december. Platinum champion plugs fix it for some. It didn't fix mine. Some people put on aftermarket ignitions and it helped. I haven't done that. I installed water injection a couple weeks ago. It didn't fix the idle, but I get 15% better mileage around town (~26mpg) and noticabley more power. Haven't checked mileage on the highway. The rough idle is correct according to Chrysler technicians. Kinda makes you wonder if the germans are helping at all.
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