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Unread 05-28-2013, 04:33 PM   #1
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Join Date: May 2013
Posts: 5
2006 jeep grand cherokee

I have a 06 jeep grand cherokee 3.7 V6 all time four wheel drive. Some times when I'm driving I notice the engine is kind of sluggish. It feel like it rocks back and forth when I'm driving. It takes off fine, but sometimes after it gets going the rpm's kinda bounce up and down. I just had the spark replaced and the throttle body cleaned out. I have also replaced my air filter as well. It usually acts up when I'm going up hill. Any ideas on what it could be?

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