The new and the best gmc jimmy chip helps you improve what your car can offer. The ECU chip gives your computer chip the power to keep your vehicle on the road. The diesel tuning module is attached very easily on the main connector of the engine of gmc jimmy thus increases the power significantly hence decreases the fuel consumption Diesel Tuning Kit is a new digital module that provides a safe diesel tuning without increase in the horsepower. It can be installed easily and is much easier than chip tuning or replacing of the ECU. When you need professional d performance the model is the right choice for you. It Gain power, torque and it also increase MPG. This makes it easy for one to tune his or her vehicle to its suitability. It does not take time to fix the kit making you be at ease.