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I'm sorry I keep posting new threads. my liberty keeps having more and more new issues but I think I found my at least main problem for getting 10.5 mpg. I pulled all my plugs today. Tried to check gap but the feeler gage I borrowed didn't have .043 so I just made sure all the electrodes looked...

This is a separate thread to my original question. I have a 2003 jeep kj I’m trying to hunt down my bad mpg problem (original post below) I’m really thinking It’s a bad exhaust because I’ve been doing research and had no idea a bad exhaust can cause horrible mpg(my original problem) and a...

Jeep Kj nightmare. Hi, this will be my first post here as I’ve been stuck with a few problems on my Liberty and can’t find any information retaining to my specific situation. I have a 2003 3.7 v6 jeep liberty close to 170,000 miles. Ever since I got the Jeep close to three years ago...