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  1. Grand Cherokee Diesel Discussions
    I have a 2014 Grand Cherokee EcoDiesel. Yesterday I got a message saying “exhaust filter near full, safely drive at highway speeds to remedy” and my check engine light came on. So I took her out tonight and drove back on forth down the highway for a good hour at 70mph. I parked, Ran in the store...
  2. Grand Cherokee Diesel Discussions
    2014 Grand Cherokee limited, 110,988 miles, original DPF, only the regular maintenance done. No wrenches turned on the motor, ever. I've tried every product I could find to help get the filter to clean out. 7 different brands, in some cases a couple of products from the same brand. Issues...
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