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The first step was to fire up the engine and let it warm up to the target temperature of 140-plus degrees. During this process, we adjusted the throttle to maintain idle. We also had to input the engine size, fuel pressure, and a few other pieces of information. This was all done in a step-by-step process using the menu's setup wizard function. From the main menu, you can track live data, read error codes, and perform advanced functions.