2005-2006 Jeep Liberty 2.8L

The Jeep Liberty was the first mid-size sport-utility vehicle available with a diesel engine in the U.S. It’s equipped with a bullet proof 2.8 L CRD (Common Rail Diesel) engine produced by VM Motori, which is owned in part by Detroit Diesel, a DaimlerChrysler company and lends itself quite nicely to running on SVO. Unfortunately, the Liberties were plagued with transmission recalls, suspension recalls, and torque converter/ECM recalls among other issues. Although this vehicle exceeded sales expectations, DaimlerChrysler claims to have discontinued the Jeep Liberty with a CRD due to the 2008 emissions regulations. Due to the compounded issue of these inherent flaws and reliability concerns as well as the lack of qualified technicians in this country to work on this vehicle, GFS does not recommend purchasing this vehicle. However, if you do own a Liberty and believe it to be reliable, then it might be a good candidate for an SVO System.

In regards to driving on SVO, Jeep Liberties are fine for driving long distances, but are not as well suited for city driving. When running on SVO, the Jeep Liberty has a tendency to smoke when idling, even for 30 seconds with a hot engine. In addition, there is a big plume of black smoke when pulling away from the stop light. This is not a comforting image for the owners, so GFS made it a priority when we were developing our Computer Modification Programmers to get the Jeep Liberty software to address this issue. By altering the idle timing circuit we were able to clean up the smoking and increase the power and fuel economy.

Besides the smoking issue, which can be addressed, they have some other quirks. Liberties do not take well to shutting down on veggie. With any other diesel that we have converted, you can shut it down on veggie and as long as the engine stays hot it will restart on veggie just like diesel. With the Liberty, it can be 90 degrees outside, engine hot as can be, and if you turn off the vehicle for even 5 minutes on oil, you will have to crank on it for 10 seconds or so for it to start. This means that every errand and quick trip you make, you’ll have to flush with diesel. However, the Liberty is not ideal for a short range driver, or a driver that is not “in tune” with the whole conversion process and theory.

Posted in: Vehicle Specific

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