I didn't mention on my last post that I had a Yakima luggage carrier on top of my CRD when I got the 31.57 MPG. I drove to Keith to get the tune. He did it in 10 minutes or less. I have the Liberty back in Omaha now driving my normal routines where I can better judge the tune. The engine responds more like a gasoline engine now. A HOT gasoline engine. The luggage carrier is off now. I can't wait to see what my next MPG is going to be. Thanks again, Keith.
Bill

I would also like to add that I just purchased a ECO Tune. Keith was a great guy to work with, very fast turn around, and so far I've been happy with the results. I can't quite comment any mileage improvements as the efficiency gains of the tune have revealed that my thermostat is bad. Hopefully have that replaced soon.

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2005 Black Limited CRD, GDE ECO tune otherwise stock. 165K and hoping for 500K

Do you know about Kapalczynski's new thermostat housing? The stock thermostat on the CRD is way too cold. The new thermostat housing looks like a great idea to me. Check it out.