Here is a couple helpful tips for tuning your fuel injection systems. First thing is that you can hit the F1 key in any screen or even on any function in the software, and it will take you to the help tutorial and give you instructions on what that function does, rate of change, and sometimes even a helpful starting point. These systems are a true V/E volumetric Efficence math based system. What that means, is the V/E table settings are not the pulse width the ECU uses to fire the injectors, but is a fourmula for the ECU to know how much air is in the cylinder, and it can do the math and figure out the injector pulse width by looking at the V/E (air), the target air fuel ratio table, coolant tempurature, intake air tempurature, engine load, engine rpm, actual asir fuel ratio in the exhaust (when closed loop fueling is enabled). What this means to you is that these systems can run your engine in a much more controlled manner, and with more precise fueling control. The V/E is the first thing you will do most of your tuning in, all other tables will use the V/E in it’s adjustment, which means if the V/E is not correct, then the other controls will be off, like cold start, engine warm up, and even acceloration is affected.
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Because of this, on a new tune, the order the want to start your tuning will be. Start engine, get it to as much of a stable rpm as you can get, and check and/or set timing., then allow the engine to get up to around 130 degrees, then start tuning the V/E table to get the HEGO or hopefully UEGO sensor in the exhaust to match the target air / fuel ratio. Windows Find Process Using Serial Port.
Excel File Of All Sic Codes And Naics more. Then you keep changing the speed and load to check and adjust as many of the cells in the V/E table as you can. Always save the tuning to a file, and when you are making adjustments.